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Finding the Fourth Proportional to 73,139.91, 109,709.88 and 17,735.91

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Solution

The fourth proportional to 73,139.91, 109,709.88 and 17,735.91 is: 26,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139.91 : 109,709.88 = 17,735.91 : x
  2. Step 2: Convert to fraction form
    73,139.91/109,709.88 = 17,735.91/x
  3. Step 3: Cross multiply
    73,139.91x = 109,709.88 × 17,735.91
  4. Step 4: Simplify right side
    73,139.91x = 1,945,804,557.79
  5. Step 5: Solve for x
    x = 1,945,804,557.79/73,139.91
  6. Step 6: Final answer
    x = 26,603.87

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