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Finding the Fourth Proportional to 89,210.40, 133,815.60 and 36,602.40

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Solution

The fourth proportional to 89,210.40, 133,815.60 and 36,602.40 is: 54,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,210.40 : 133,815.60 = 36,602.40 : x
  2. Step 2: Convert to fraction form
    89,210.40/133,815.60 = 36,602.40/x
  3. Step 3: Cross multiply
    89,210.40x = 133,815.60 × 36,602.40
  4. Step 4: Simplify right side
    89,210.40x = 4,897,972,117.44
  5. Step 5: Solve for x
    x = 4,897,972,117.44/89,210.40
  6. Step 6: Final answer
    x = 54,903.60

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