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Finding the Fourth Proportional to 104,960.40, 157,440.60 and 99,274.20

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Solution

The fourth proportional to 104,960.40, 157,440.60 and 99,274.20 is: 148,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,960.40 : 157,440.60 = 99,274.20 : x
  2. Step 2: Convert to fraction form
    104,960.40/157,440.60 = 99,274.20/x
  3. Step 3: Cross multiply
    104,960.40x = 157,440.60 × 99,274.20
  4. Step 4: Simplify right side
    104,960.40x = 15,629,789,612.52
  5. Step 5: Solve for x
    x = 15,629,789,612.52/104,960.40
  6. Step 6: Final answer
    x = 148,911.30

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