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Finding the Fourth Proportional to 11,703.98, 17,556.78 and 3,911.78

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Solution

The fourth proportional to 11,703.98, 17,556.78 and 3,911.78 is: 5,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.98 : 17,556.78 = 3,911.78 : x
  2. Step 2: Convert to fraction form
    11,703.98/17,556.78 = 3,911.78/x
  3. Step 3: Cross multiply
    11,703.98x = 17,556.78 × 3,911.78
  4. Step 4: Simplify right side
    11,703.98x = 68,678,260.87
  5. Step 5: Solve for x
    x = 68,678,260.87/11,703.98
  6. Step 6: Final answer
    x = 5,867.94

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