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Finding the Fourth Proportional to 83,748.40, 125,622.60 and 28,344.40

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Solution

The fourth proportional to 83,748.40, 125,622.60 and 28,344.40 is: 42,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,748.40 : 125,622.60 = 28,344.40 : x
  2. Step 2: Convert to fraction form
    83,748.40/125,622.60 = 28,344.40/x
  3. Step 3: Cross multiply
    83,748.40x = 125,622.60 × 28,344.40
  4. Step 4: Simplify right side
    83,748.40x = 3,560,697,223.44
  5. Step 5: Solve for x
    x = 3,560,697,223.44/83,748.40
  6. Step 6: Final answer
    x = 42,516.60

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