Finding the Fourth Proportional to 11,414.53, 15,762.08 and 7,172.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,414.53 : 15,762.08 = 7,172.96 : x
2. Step 2: Convert to fraction form
   11,414.53/15,762.08 = 7,172.96/x
3. Step 3: Cross multiply
   11,414.53x = 15,762.08 × 7,172.96
4. Step 4: Simplify right side
   11,414.53x = 113,060,826.69
5. Step 5: Solve for x
   x = 113,060,826.69/11,414.53
6. Step 6: Final answer
   x = 9,904.99