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Finding the Fourth Proportional to 189,817.62, 261,935.16 and 104,928

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Solution

The fourth proportional to 189,817.62, 261,935.16 and 104,928 is: 144,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,817.62 : 261,935.16 = 104,928 : x
  2. Step 2: Convert to fraction form
    189,817.62/261,935.16 = 104,928/x
  3. Step 3: Cross multiply
    189,817.62x = 261,935.16 × 104,928
  4. Step 4: Simplify right side
    189,817.62x = 27,484,332,468.48
  5. Step 5: Solve for x
    x = 27,484,332,468.48/189,817.62
  6. Step 6: Final answer
    x = 144,793.37

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