Finding the Fourth Proportional to 11,101, 16,662.90 and 8,662.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,101 : 16,662.90 = 8,662.48 : x
2. Step 2: Convert to fraction form
   11,101/16,662.90 = 8,662.48/x
3. Step 3: Cross multiply
   11,101x = 16,662.90 × 8,662.48
4. Step 4: Simplify right side
   11,101x = 144,342,037.99
5. Step 5: Solve for x
   x = 144,342,037.99/11,101
6. Step 6: Final answer
   x = 13,002.62