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Finding the Fourth Proportional to 56,174.04, 77,520.12 and 31,023.48

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Solution

The fourth proportional to 56,174.04, 77,520.12 and 31,023.48 is: 42,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,174.04 : 77,520.12 = 31,023.48 : x
  2. Step 2: Convert to fraction form
    56,174.04/77,520.12 = 31,023.48/x
  3. Step 3: Cross multiply
    56,174.04x = 77,520.12 × 31,023.48
  4. Step 4: Simplify right side
    56,174.04x = 2,404,943,892.42
  5. Step 5: Solve for x
    x = 2,404,943,892.42/56,174.04
  6. Step 6: Final answer
    x = 42,812.37

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