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Finding the Fourth Proportional to 79,178.94, 109,262.70 and 43,362.18

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Solution

The fourth proportional to 79,178.94, 109,262.70 and 43,362.18 is: 59,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178.94 : 109,262.70 = 43,362.18 : x
  2. Step 2: Convert to fraction form
    79,178.94/109,262.70 = 43,362.18/x
  3. Step 3: Cross multiply
    79,178.94x = 109,262.70 × 43,362.18
  4. Step 4: Simplify right side
    79,178.94x = 4,737,868,864.69
  5. Step 5: Solve for x
    x = 4,737,868,864.69/79,178.94
  6. Step 6: Final answer
    x = 59,837.49

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