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Finding the Fourth Proportional to 78,332.43, 108,101.07 and 42,524.76

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Solution

The fourth proportional to 78,332.43, 108,101.07 and 42,524.76 is: 58,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,332.43 : 108,101.07 = 42,524.76 : x
  2. Step 2: Convert to fraction form
    78,332.43/108,101.07 = 42,524.76/x
  3. Step 3: Cross multiply
    78,332.43x = 108,101.07 × 42,524.76
  4. Step 4: Simplify right side
    78,332.43x = 4,596,972,057.49
  5. Step 5: Solve for x
    x = 4,596,972,057.49/78,332.43
  6. Step 6: Final answer
    x = 58,685.43

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