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Finding the Fourth Proportional to 45,520.40, 68,280.60 and 36,304.40

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Solution

The fourth proportional to 45,520.40, 68,280.60 and 36,304.40 is: 54,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,520.40 : 68,280.60 = 36,304.40 : x
  2. Step 2: Convert to fraction form
    45,520.40/68,280.60 = 36,304.40/x
  3. Step 3: Cross multiply
    45,520.40x = 68,280.60 × 36,304.40
  4. Step 4: Simplify right side
    45,520.40x = 2,478,886,214.64
  5. Step 5: Solve for x
    x = 2,478,886,214.64/45,520.40
  6. Step 6: Final answer
    x = 54,456.60

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