Finding the Fourth Proportional to 11,022.02, 16,608.79 and 9,116.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,022.02 : 16,608.79 = 9,116.90 : x
2. Step 2: Convert to fraction form
   11,022.02/16,608.79 = 9,116.90/x
3. Step 3: Cross multiply
   11,022.02x = 16,608.79 × 9,116.90
4. Step 4: Simplify right side
   11,022.02x = 151,420,677.55
5. Step 5: Solve for x
   x = 151,420,677.55/11,022.02
6. Step 6: Final answer
   x = 13,738.02