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Finding the Fourth Proportional to 292,628.16, 438,968.16 and 82,267.92

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Solution

The fourth proportional to 292,628.16, 438,968.16 and 82,267.92 is: 123,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,628.16 : 438,968.16 = 82,267.92 : x
  2. Step 2: Convert to fraction form
    292,628.16/438,968.16 = 82,267.92/x
  3. Step 3: Cross multiply
    292,628.16x = 438,968.16 × 82,267.92
  4. Step 4: Simplify right side
    292,628.16x = 36,112,997,469.43
  5. Step 5: Solve for x
    x = 36,112,997,469.43/292,628.16
  6. Step 6: Final answer
    x = 123,409.17

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