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Finding the Fourth Proportional to 78,869.52, 118,286.46 and 22,709.52

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Solution

The fourth proportional to 78,869.52, 118,286.46 and 22,709.52 is: 34,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,869.52 : 118,286.46 = 22,709.52 : x
  2. Step 2: Convert to fraction form
    78,869.52/118,286.46 = 22,709.52/x
  3. Step 3: Cross multiply
    78,869.52x = 118,286.46 × 22,709.52
  4. Step 4: Simplify right side
    78,869.52x = 2,686,228,729.10
  5. Step 5: Solve for x
    x = 2,686,228,729.10/78,869.52
  6. Step 6: Final answer
    x = 34,059.15

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