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Finding the Fourth Proportional to 85,532.63, 128,299.41 and 23,203.13

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Solution

The fourth proportional to 85,532.63, 128,299.41 and 23,203.13 is: 34,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532.63 : 128,299.41 = 23,203.13 : x
  2. Step 2: Convert to fraction form
    85,532.63/128,299.41 = 23,203.13/x
  3. Step 3: Cross multiply
    85,532.63x = 128,299.41 × 23,203.13
  4. Step 4: Simplify right side
    85,532.63x = 2,976,947,247.66
  5. Step 5: Solve for x
    x = 2,976,947,247.66/85,532.63
  6. Step 6: Final answer
    x = 34,804.82

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