Finding the Fourth Proportional to 11,518.57, 17,282.72 and 5,675.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,518.57 : 17,282.72 = 5,675.23 : x
2. Step 2: Convert to fraction form
   11,518.57/17,282.72 = 5,675.23/x
3. Step 3: Cross multiply
   11,518.57x = 17,282.72 × 5,675.23
4. Step 4: Simplify right side
   11,518.57x = 98,083,411.03
5. Step 5: Solve for x
   x = 98,083,411.03/11,518.57
6. Step 6: Final answer
   x = 8,515.24