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Finding the Fourth Proportional to 352,046.40, 528,069.60 and 115,396.80

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Solution

The fourth proportional to 352,046.40, 528,069.60 and 115,396.80 is: 173,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,046.40 : 528,069.60 = 115,396.80 : x
  2. Step 2: Convert to fraction form
    352,046.40/528,069.60 = 115,396.80/x
  3. Step 3: Cross multiply
    352,046.40x = 528,069.60 × 115,396.80
  4. Step 4: Simplify right side
    352,046.40x = 60,937,542,017.28
  5. Step 5: Solve for x
    x = 60,937,542,017.28/352,046.40
  6. Step 6: Final answer
    x = 173,095.20

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