Finding the Fourth Proportional to 11,417.88, 17,125.71 and 7,743.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,417.88 : 17,125.71 = 7,743.72 : x
2. Step 2: Convert to fraction form
   11,417.88/17,125.71 = 7,743.72/x
3. Step 3: Cross multiply
   11,417.88x = 17,125.71 × 7,743.72
4. Step 4: Simplify right side
   11,417.88x = 132,616,703.04
5. Step 5: Solve for x
   x = 132,616,703.04/11,417.88
6. Step 6: Final answer
   x = 11,614.83