Finding the Fourth Proportional to 11,108.16, 16,665.12 and 3,317.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,108.16 : 16,665.12 = 3,317.04 : x
2. Step 2: Convert to fraction form
   11,108.16/16,665.12 = 3,317.04/x
3. Step 3: Cross multiply
   11,108.16x = 16,665.12 × 3,317.04
4. Step 4: Simplify right side
   11,108.16x = 55,278,869.64
5. Step 5: Solve for x
   x = 55,278,869.64/11,108.16
6. Step 6: Final answer
   x = 4,976.42