Finding the Fourth Proportional to 11,100.88, 16,653.95 and 3,309.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.88 : 16,653.95 = 3,309.89 : x
2. Step 2: Convert to fraction form
   11,100.88/16,653.95 = 3,309.89/x
3. Step 3: Cross multiply
   11,100.88x = 16,653.95 × 3,309.89
4. Step 4: Simplify right side
   11,100.88x = 55,122,726.02
5. Step 5: Solve for x
   x = 55,122,726.02/11,100.88
6. Step 6: Final answer
   x = 4,965.62