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Finding the Fourth Proportional to 107,706.59, 161,559.88 and 28,818.80

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Solution

The fourth proportional to 107,706.59, 161,559.88 and 28,818.80 is: 43,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,706.59 : 161,559.88 = 28,818.80 : x
  2. Step 2: Convert to fraction form
    107,706.59/161,559.88 = 28,818.80/x
  3. Step 3: Cross multiply
    107,706.59x = 161,559.88 × 28,818.80
  4. Step 4: Simplify right side
    107,706.59x = 4,655,960,989.90
  5. Step 5: Solve for x
    x = 4,655,960,989.90/107,706.59
  6. Step 6: Final answer
    x = 43,228.19

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