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Finding the Fourth Proportional to 133,062.70, 199,594.05 and 69,858.40

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Solution

The fourth proportional to 133,062.70, 199,594.05 and 69,858.40 is: 104,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,062.70 : 199,594.05 = 69,858.40 : x
  2. Step 2: Convert to fraction form
    133,062.70/199,594.05 = 69,858.40/x
  3. Step 3: Cross multiply
    133,062.70x = 199,594.05 × 69,858.40
  4. Step 4: Simplify right side
    133,062.70x = 13,943,320,982.52
  5. Step 5: Solve for x
    x = 13,943,320,982.52/133,062.70
  6. Step 6: Final answer
    x = 104,787.60

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