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Finding the Fourth Proportional to 1,978,197.57, 2,967,795.32 and 913,992.03

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Solution

The fourth proportional to 1,978,197.57, 2,967,795.32 and 913,992.03 is: 1,371,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,197.57 : 2,967,795.32 = 913,992.03 : x
  2. Step 2: Convert to fraction form
    1,978,197.57/2,967,795.32 = 913,992.03/x
  3. Step 3: Cross multiply
    1,978,197.57x = 2,967,795.32 × 913,992.03
  4. Step 4: Simplify right side
    1,978,197.57x = 2,712,541,264,581.34
  5. Step 5: Solve for x
    x = 2,712,541,264,581.34/1,978,197.57
  6. Step 6: Final answer
    x = 1,371,218.58

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