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Finding the Fourth Proportional to 345,172.40, 517,758.60 and 95,854.40

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Solution

The fourth proportional to 345,172.40, 517,758.60 and 95,854.40 is: 143,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,172.40 : 517,758.60 = 95,854.40 : x
  2. Step 2: Convert to fraction form
    345,172.40/517,758.60 = 95,854.40/x
  3. Step 3: Cross multiply
    345,172.40x = 517,758.60 × 95,854.40
  4. Step 4: Simplify right side
    345,172.40x = 49,629,439,947.84
  5. Step 5: Solve for x
    x = 49,629,439,947.84/345,172.40
  6. Step 6: Final answer
    x = 143,781.60

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