Finding the Fourth Proportional to 9,696.72, 14,545.83 and 3,123.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,696.72 : 14,545.83 = 3,123.11 : x
2. Step 2: Convert to fraction form
   9,696.72/14,545.83 = 3,123.11/x
3. Step 3: Cross multiply
   9,696.72x = 14,545.83 × 3,123.11
4. Step 4: Simplify right side
   9,696.72x = 45,428,227.13
5. Step 5: Solve for x
   x = 45,428,227.13/9,696.72
6. Step 6: Final answer
   x = 4,684.91