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Finding the Fourth Proportional to 352,674.40, 529,060.20 and 127,980.40

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Solution

The fourth proportional to 352,674.40, 529,060.20 and 127,980.40 is: 191,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,674.40 : 529,060.20 = 127,980.40 : x
  2. Step 2: Convert to fraction form
    352,674.40/529,060.20 = 127,980.40/x
  3. Step 3: Cross multiply
    352,674.40x = 529,060.20 × 127,980.40
  4. Step 4: Simplify right side
    352,674.40x = 67,709,336,020.08
  5. Step 5: Solve for x
    x = 67,709,336,020.08/352,674.40
  6. Step 6: Final answer
    x = 191,988.24

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