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Finding the Fourth Proportional to 422,381.58, 633,574.47 and 106,838.79

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Solution

The fourth proportional to 422,381.58, 633,574.47 and 106,838.79 is: 160,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,381.58 : 633,574.47 = 106,838.79 : x
  2. Step 2: Convert to fraction form
    422,381.58/633,574.47 = 106,838.79/x
  3. Step 3: Cross multiply
    422,381.58x = 633,574.47 × 106,838.79
  4. Step 4: Simplify right side
    422,381.58x = 67,690,329,749.69
  5. Step 5: Solve for x
    x = 67,690,329,749.69/422,381.58
  6. Step 6: Final answer
    x = 160,258.72

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