Finding the Fourth Proportional to 11,105.10, 16,596.23 and 9,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.10 : 16,596.23 = 9,948.72 : x
2. Step 2: Convert to fraction form
   11,105.10/16,596.23 = 9,948.72/x
3. Step 3: Cross multiply
   11,105.10x = 16,596.23 × 9,948.72
4. Step 4: Simplify right side
   11,105.10x = 165,111,195.58
5. Step 5: Solve for x
   x = 165,111,195.58/11,105.10
6. Step 6: Final answer
   x = 14,868.05