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Finding the Fourth Proportional to 87,109.80, 130,664.70 and 24,772.20

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Solution

The fourth proportional to 87,109.80, 130,664.70 and 24,772.20 is: 37,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,109.80 : 130,664.70 = 24,772.20 : x
  2. Step 2: Convert to fraction form
    87,109.80/130,664.70 = 24,772.20/x
  3. Step 3: Cross multiply
    87,109.80x = 130,664.70 × 24,772.20
  4. Step 4: Simplify right side
    87,109.80x = 3,236,852,081.34
  5. Step 5: Solve for x
    x = 3,236,852,081.34/87,109.80
  6. Step 6: Final answer
    x = 37,158.30

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