Finding the Fourth Proportional to 11,404.92, 17,077.52 and 9,171.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,404.92 : 17,077.52 = 9,171.88 : x
2. Step 2: Convert to fraction form
   11,404.92/17,077.52 = 9,171.88/x
3. Step 3: Cross multiply
   11,404.92x = 17,077.52 × 9,171.88
4. Step 4: Simplify right side
   11,404.92x = 156,632,964.14
5. Step 5: Solve for x
   x = 156,632,964.14/11,404.92
6. Step 6: Final answer
   x = 13,733.81