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Finding the Fourth Proportional to 352,712.40, 529,068.60 and 103,394.40

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Solution

The fourth proportional to 352,712.40, 529,068.60 and 103,394.40 is: 155,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712.40 : 529,068.60 = 103,394.40 : x
  2. Step 2: Convert to fraction form
    352,712.40/529,068.60 = 103,394.40/x
  3. Step 3: Cross multiply
    352,712.40x = 529,068.60 × 103,394.40
  4. Step 4: Simplify right side
    352,712.40x = 54,702,730,455.84
  5. Step 5: Solve for x
    x = 54,702,730,455.84/352,712.40
  6. Step 6: Final answer
    x = 155,091.60

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