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Finding the Fourth Proportional to 355,235.40, 532,853.10 and 105,917.40

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Solution

The fourth proportional to 355,235.40, 532,853.10 and 105,917.40 is: 158,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,235.40 : 532,853.10 = 105,917.40 : x
  2. Step 2: Convert to fraction form
    355,235.40/532,853.10 = 105,917.40/x
  3. Step 3: Cross multiply
    355,235.40x = 532,853.10 × 105,917.40
  4. Step 4: Simplify right side
    355,235.40x = 56,438,414,933.94
  5. Step 5: Solve for x
    x = 56,438,414,933.94/355,235.40
  6. Step 6: Final answer
    x = 158,876.10

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