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Finding the Fourth Proportional to 88,614.43, 122,218.80 and 56,786.29

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Solution

The fourth proportional to 88,614.43, 122,218.80 and 56,786.29 is: 78,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,614.43 : 122,218.80 = 56,786.29 : x
  2. Step 2: Convert to fraction form
    88,614.43/122,218.80 = 56,786.29/x
  3. Step 3: Cross multiply
    88,614.43x = 122,218.80 × 56,786.29
  4. Step 4: Simplify right side
    88,614.43x = 6,940,352,220.25
  5. Step 5: Solve for x
    x = 6,940,352,220.25/88,614.43
  6. Step 6: Final answer
    x = 78,320.79

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