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Finding the Fourth Proportional to 82,874.80, 124,312.20 and 23,712.40

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Solution

The fourth proportional to 82,874.80, 124,312.20 and 23,712.40 is: 35,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,874.80 : 124,312.20 = 23,712.40 : x
  2. Step 2: Convert to fraction form
    82,874.80/124,312.20 = 23,712.40/x
  3. Step 3: Cross multiply
    82,874.80x = 124,312.20 × 23,712.40
  4. Step 4: Simplify right side
    82,874.80x = 2,947,740,611.28
  5. Step 5: Solve for x
    x = 2,947,740,611.28/82,874.80
  6. Step 6: Final answer
    x = 35,568.60

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