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Finding the Fourth Proportional to 52,614.49, 72,609.59 and 28,742.70

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Solution

The fourth proportional to 52,614.49, 72,609.59 and 28,742.70 is: 39,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,614.49 : 72,609.59 = 28,742.70 : x
  2. Step 2: Convert to fraction form
    52,614.49/72,609.59 = 28,742.70/x
  3. Step 3: Cross multiply
    52,614.49x = 72,609.59 × 28,742.70
  4. Step 4: Simplify right side
    52,614.49x = 2,086,995,898.85
  5. Step 5: Solve for x
    x = 2,086,995,898.85/52,614.49
  6. Step 6: Final answer
    x = 39,665.80

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