Finding the Fourth Proportional to 10,307.94, 15,461.78 and 2,516.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,307.94 : 15,461.78 = 2,516.82 : x
2. Step 2: Convert to fraction form
   10,307.94/15,461.78 = 2,516.82/x
3. Step 3: Cross multiply
   10,307.94x = 15,461.78 × 2,516.82
4. Step 4: Simplify right side
   10,307.94x = 38,914,504.56
5. Step 5: Solve for x
   x = 38,914,504.56/10,307.94
6. Step 6: Final answer
   x = 3,775.20