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Finding the Fourth Proportional to 87,618.40, 131,427.60 and 24,438.40

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Solution

The fourth proportional to 87,618.40, 131,427.60 and 24,438.40 is: 36,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,618.40 : 131,427.60 = 24,438.40 : x
  2. Step 2: Convert to fraction form
    87,618.40/131,427.60 = 24,438.40/x
  3. Step 3: Cross multiply
    87,618.40x = 131,427.60 × 24,438.40
  4. Step 4: Simplify right side
    87,618.40x = 3,211,880,259.84
  5. Step 5: Solve for x
    x = 3,211,880,259.84/87,618.40
  6. Step 6: Final answer
    x = 36,657.60

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