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Finding the Fourth Proportional to 59,747.80, 89,621.70 and 57,123.40

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Solution

The fourth proportional to 59,747.80, 89,621.70 and 57,123.40 is: 85,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,747.80 : 89,621.70 = 57,123.40 : x
  2. Step 2: Convert to fraction form
    59,747.80/89,621.70 = 57,123.40/x
  3. Step 3: Cross multiply
    59,747.80x = 89,621.70 × 57,123.40
  4. Step 4: Simplify right side
    59,747.80x = 5,119,496,217.78
  5. Step 5: Solve for x
    x = 5,119,496,217.78/59,747.80
  6. Step 6: Final answer
    x = 85,685.10

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