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Finding the Fourth Proportional to 55,686.38, 83,600.85 and 47,839.10

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Solution

The fourth proportional to 55,686.38, 83,600.85 and 47,839.10 is: 71,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.38 : 83,600.85 = 47,839.10 : x
  2. Step 2: Convert to fraction form
    55,686.38/83,600.85 = 47,839.10/x
  3. Step 3: Cross multiply
    55,686.38x = 83,600.85 × 47,839.10
  4. Step 4: Simplify right side
    55,686.38x = 3,999,389,176.79
  5. Step 5: Solve for x
    x = 3,999,389,176.79/55,686.38
  6. Step 6: Final answer
    x = 71,819.88

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