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Finding the Fourth Proportional to 108,612.80, 162,846.30 and 52,479.80

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Solution

The fourth proportional to 108,612.80, 162,846.30 and 52,479.80 is: 78,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612.80 : 162,846.30 = 52,479.80 : x
  2. Step 2: Convert to fraction form
    108,612.80/162,846.30 = 52,479.80/x
  3. Step 3: Cross multiply
    108,612.80x = 162,846.30 × 52,479.80
  4. Step 4: Simplify right side
    108,612.80x = 8,546,141,254.74
  5. Step 5: Solve for x
    x = 8,546,141,254.74/108,612.80
  6. Step 6: Final answer
    x = 78,684.48

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