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Finding the Fourth Proportional to 63,686.70, 95,530.05 and 57,781.80

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Solution

The fourth proportional to 63,686.70, 95,530.05 and 57,781.80 is: 86,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,686.70 : 95,530.05 = 57,781.80 : x
  2. Step 2: Convert to fraction form
    63,686.70/95,530.05 = 57,781.80/x
  3. Step 3: Cross multiply
    63,686.70x = 95,530.05 × 57,781.80
  4. Step 4: Simplify right side
    63,686.70x = 5,519,898,243.09
  5. Step 5: Solve for x
    x = 5,519,898,243.09/63,686.70
  6. Step 6: Final answer
    x = 86,672.70

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