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Finding the Fourth Proportional to 79,269.54, 109,387.78 and 45,271.30

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Solution

The fourth proportional to 79,269.54, 109,387.78 and 45,271.30 is: 62,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.54 : 109,387.78 = 45,271.30 : x
  2. Step 2: Convert to fraction form
    79,269.54/109,387.78 = 45,271.30/x
  3. Step 3: Cross multiply
    79,269.54x = 109,387.78 × 45,271.30
  4. Step 4: Simplify right side
    79,269.54x = 4,952,127,004.71
  5. Step 5: Solve for x
    x = 4,952,127,004.71/79,269.54
  6. Step 6: Final answer
    x = 62,472.00

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