Finding the Fourth Proportional to 11,100.92, 16,653.99 and 3,309.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.92 : 16,653.99 = 3,309.89 : x
2. Step 2: Convert to fraction form
   11,100.92/16,653.99 = 3,309.89/x
3. Step 3: Cross multiply
   11,100.92x = 16,653.99 × 3,309.89
4. Step 4: Simplify right side
   11,100.92x = 55,122,874.96
5. Step 5: Solve for x
   x = 55,122,874.96/11,100.92
6. Step 6: Final answer
   x = 4,965.61