Finding the Fourth Proportional to 11,648.61, 17,465.76 and 5,717.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,648.61 : 17,465.76 = 5,717.96 : x
2. Step 2: Convert to fraction form
   11,648.61/17,465.76 = 5,717.96/x
3. Step 3: Cross multiply
   11,648.61x = 17,465.76 × 5,717.96
4. Step 4: Simplify right side
   11,648.61x = 99,868,539.27
5. Step 5: Solve for x
   x = 99,868,539.27/11,648.61
6. Step 6: Final answer
   x = 8,573.43