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Finding the Fourth Proportional to 7,192.89, 10,790.87 and 4,074.39

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Solution

The fourth proportional to 7,192.89, 10,790.87 and 4,074.39 is: 6,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.89 : 10,790.87 = 4,074.39 : x
  2. Step 2: Convert to fraction form
    7,192.89/10,790.87 = 4,074.39/x
  3. Step 3: Cross multiply
    7,192.89x = 10,790.87 × 4,074.39
  4. Step 4: Simplify right side
    7,192.89x = 43,966,192.45
  5. Step 5: Solve for x
    x = 43,966,192.45/7,192.89
  6. Step 6: Final answer
    x = 6,112.45

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