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Finding the Fourth Proportional to 422,327.79, 633,425.66 and 138,016.08

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Solution

The fourth proportional to 422,327.79, 633,425.66 and 138,016.08 is: 207,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,327.79 : 633,425.66 = 138,016.08 : x
  2. Step 2: Convert to fraction form
    422,327.79/633,425.66 = 138,016.08/x
  3. Step 3: Cross multiply
    422,327.79x = 633,425.66 × 138,016.08
  4. Step 4: Simplify right side
    422,327.79x = 87,422,927,030.93
  5. Step 5: Solve for x
    x = 87,422,927,030.93/422,327.79
  6. Step 6: Final answer
    x = 207,002.54

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