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Finding the Fourth Proportional to 104,645.60, 156,968.40 and 91,523.60

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Solution

The fourth proportional to 104,645.60, 156,968.40 and 91,523.60 is: 137,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.60 : 156,968.40 = 91,523.60 : x
  2. Step 2: Convert to fraction form
    104,645.60/156,968.40 = 91,523.60/x
  3. Step 3: Cross multiply
    104,645.60x = 156,968.40 × 91,523.60
  4. Step 4: Simplify right side
    104,645.60x = 14,366,313,054.24
  5. Step 5: Solve for x
    x = 14,366,313,054.24/104,645.60
  6. Step 6: Final answer
    x = 137,285.40

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