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Finding the Fourth Proportional to 538,414.60, 807,621.90 and 164,437.60

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Solution

The fourth proportional to 538,414.60, 807,621.90 and 164,437.60 is: 246,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,414.60 : 807,621.90 = 164,437.60 : x
  2. Step 2: Convert to fraction form
    538,414.60/807,621.90 = 164,437.60/x
  3. Step 3: Cross multiply
    538,414.60x = 807,621.90 × 164,437.60
  4. Step 4: Simplify right side
    538,414.60x = 132,803,406,943.44
  5. Step 5: Solve for x
    x = 132,803,406,943.44/538,414.60
  6. Step 6: Final answer
    x = 246,656.40

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