Finding the Fourth Proportional to 11,503.98, 17,288.82 and 5,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,503.98 : 17,288.82 = 5,664.72 : x
2. Step 2: Convert to fraction form
   11,503.98/17,288.82 = 5,664.72/x
3. Step 3: Cross multiply
   11,503.98x = 17,288.82 × 5,664.72
4. Step 4: Simplify right side
   11,503.98x = 97,936,324.43
5. Step 5: Solve for x
   x = 97,936,324.43/11,503.98
6. Step 6: Final answer
   x = 8,513.26