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Finding the Fourth Proportional to 104,433.40, 156,698.70 and 54,569.80

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Solution

The fourth proportional to 104,433.40, 156,698.70 and 54,569.80 is: 81,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.40 : 156,698.70 = 54,569.80 : x
  2. Step 2: Convert to fraction form
    104,433.40/156,698.70 = 54,569.80/x
  3. Step 3: Cross multiply
    104,433.40x = 156,698.70 × 54,569.80
  4. Step 4: Simplify right side
    104,433.40x = 8,551,016,719.26
  5. Step 5: Solve for x
    x = 8,551,016,719.26/104,433.40
  6. Step 6: Final answer
    x = 81,880.10

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