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Finding the Fourth Proportional to 56,555.40, 84,833.10 and 50,917.80

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Solution

The fourth proportional to 56,555.40, 84,833.10 and 50,917.80 is: 76,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,555.40 : 84,833.10 = 50,917.80 : x
  2. Step 2: Convert to fraction form
    56,555.40/84,833.10 = 50,917.80/x
  3. Step 3: Cross multiply
    56,555.40x = 84,833.10 × 50,917.80
  4. Step 4: Simplify right side
    56,555.40x = 4,319,514,819.18
  5. Step 5: Solve for x
    x = 4,319,514,819.18/56,555.40
  6. Step 6: Final answer
    x = 76,376.70

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