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Finding the Fourth Proportional to 263,451.61, 395,251.40 and 105,790.78

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Solution

The fourth proportional to 263,451.61, 395,251.40 and 105,790.78 is: 158,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,451.61 : 395,251.40 = 105,790.78 : x
  2. Step 2: Convert to fraction form
    263,451.61/395,251.40 = 105,790.78/x
  3. Step 3: Cross multiply
    263,451.61x = 395,251.40 × 105,790.78
  4. Step 4: Simplify right side
    263,451.61x = 41,813,953,902.09
  5. Step 5: Solve for x
    x = 41,813,953,902.09/263,451.61
  6. Step 6: Final answer
    x = 158,715.88

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