Finding the Fourth Proportional to 11,728.88, 17,592.24 and 3,411.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,728.88 : 17,592.24 = 3,411.08 : x
2. Step 2: Convert to fraction form
   11,728.88/17,592.24 = 3,411.08/x
3. Step 3: Cross multiply
   11,728.88x = 17,592.24 × 3,411.08
4. Step 4: Simplify right side
   11,728.88x = 60,008,538.02
5. Step 5: Solve for x
   x = 60,008,538.02/11,728.88
6. Step 6: Final answer
   x = 5,116.31