Finding the Fourth Proportional to 11,696.85, 16,146.27 and 7,222.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,696.85 : 16,146.27 = 7,222.41 : x
2. Step 2: Convert to fraction form
   11,696.85/16,146.27 = 7,222.41/x
3. Step 3: Cross multiply
   11,696.85x = 16,146.27 × 7,222.41
4. Step 4: Simplify right side
   11,696.85x = 116,614,981.91
5. Step 5: Solve for x
   x = 116,614,981.91/11,696.85
6. Step 6: Final answer
   x = 9,969.78