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Finding the Fourth Proportional to 88,905.40, 133,293.30 and 36,287.80

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Solution

The fourth proportional to 88,905.40, 133,293.30 and 36,287.80 is: 54,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,905.40 : 133,293.30 = 36,287.80 : x
  2. Step 2: Convert to fraction form
    88,905.40/133,293.30 = 36,287.80/x
  3. Step 3: Cross multiply
    88,905.40x = 133,293.30 × 36,287.80
  4. Step 4: Simplify right side
    88,905.40x = 4,836,920,611.74
  5. Step 5: Solve for x
    x = 4,836,920,611.74/88,905.40
  6. Step 6: Final answer
    x = 54,405.25

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