Finding the Fourth Proportional to 11,175.33, 16,766.63 and 5,331.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,175.33 : 16,766.63 = 5,331.18 : x
2. Step 2: Convert to fraction form
   11,175.33/16,766.63 = 5,331.18/x
3. Step 3: Cross multiply
   11,175.33x = 16,766.63 × 5,331.18
4. Step 4: Simplify right side
   11,175.33x = 89,385,922.52
5. Step 5: Solve for x
   x = 89,385,922.52/11,175.33
6. Step 6: Final answer
   x = 7,998.50