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Finding the Fourth Proportional to 91,608.40, 137,412.60 and 41,712.40

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Solution

The fourth proportional to 91,608.40, 137,412.60 and 41,712.40 is: 62,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,608.40 : 137,412.60 = 41,712.40 : x
  2. Step 2: Convert to fraction form
    91,608.40/137,412.60 = 41,712.40/x
  3. Step 3: Cross multiply
    91,608.40x = 137,412.60 × 41,712.40
  4. Step 4: Simplify right side
    91,608.40x = 5,731,809,336.24
  5. Step 5: Solve for x
    x = 5,731,809,336.24/91,608.40
  6. Step 6: Final answer
    x = 62,568.60

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