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Finding the Fourth Proportional to 79,240.80, 118,861.20 and 26,644.80

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Solution

The fourth proportional to 79,240.80, 118,861.20 and 26,644.80 is: 39,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,240.80 : 118,861.20 = 26,644.80 : x
  2. Step 2: Convert to fraction form
    79,240.80/118,861.20 = 26,644.80/x
  3. Step 3: Cross multiply
    79,240.80x = 118,861.20 × 26,644.80
  4. Step 4: Simplify right side
    79,240.80x = 3,167,032,901.76
  5. Step 5: Solve for x
    x = 3,167,032,901.76/79,240.80
  6. Step 6: Final answer
    x = 39,967.20

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