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Finding the Fourth Proportional to 264,445.40, 396,627.60 and 86,952.80

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Solution

The fourth proportional to 264,445.40, 396,627.60 and 86,952.80 is: 130,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,445.40 : 396,627.60 = 86,952.80 : x
  2. Step 2: Convert to fraction form
    264,445.40/396,627.60 = 86,952.80/x
  3. Step 3: Cross multiply
    264,445.40x = 396,627.60 × 86,952.80
  4. Step 4: Simplify right side
    264,445.40x = 34,487,880,377.28
  5. Step 5: Solve for x
    x = 34,487,880,377.28/264,445.40
  6. Step 6: Final answer
    x = 130,415.88

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