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Finding the Fourth Proportional to 414,906.60, 622,359.90 and 115,386.60

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Solution

The fourth proportional to 414,906.60, 622,359.90 and 115,386.60 is: 173,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,906.60 : 622,359.90 = 115,386.60 : x
  2. Step 2: Convert to fraction form
    414,906.60/622,359.90 = 115,386.60/x
  3. Step 3: Cross multiply
    414,906.60x = 622,359.90 × 115,386.60
  4. Step 4: Simplify right side
    414,906.60x = 71,811,992,837.34
  5. Step 5: Solve for x
    x = 71,811,992,837.34/414,906.60
  6. Step 6: Final answer
    x = 173,079.90

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