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Finding the Fourth Proportional to 29,118.75, 43,678.13 and 7,230.75

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Solution

The fourth proportional to 29,118.75, 43,678.13 and 7,230.75 is: 10,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.75 : 43,678.13 = 7,230.75 : x
  2. Step 2: Convert to fraction form
    29,118.75/43,678.13 = 7,230.75/x
  3. Step 3: Cross multiply
    29,118.75x = 43,678.13 × 7,230.75
  4. Step 4: Simplify right side
    29,118.75x = 315,825,602.34
  5. Step 5: Solve for x
    x = 315,825,602.34/29,118.75
  6. Step 6: Final answer
    x = 10,846.13

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