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Finding the Fourth Proportional to 79,857.14, 119,759.78 and 26,534.80

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Solution

The fourth proportional to 79,857.14, 119,759.78 and 26,534.80 is: 39,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,857.14 : 119,759.78 = 26,534.80 : x
  2. Step 2: Convert to fraction form
    79,857.14/119,759.78 = 26,534.80/x
  3. Step 3: Cross multiply
    79,857.14x = 119,759.78 × 26,534.80
  4. Step 4: Simplify right side
    79,857.14x = 3,177,801,378.27
  5. Step 5: Solve for x
    x = 3,177,801,378.27/79,857.14
  6. Step 6: Final answer
    x = 39,793.58

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