Finding the Fourth Proportional to 7,874.10, 10,868.49 and 5,516.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,874.10 : 10,868.49 = 5,516.82 : x
2. Step 2: Convert to fraction form
   7,874.10/10,868.49 = 5,516.82/x
3. Step 3: Cross multiply
   7,874.10x = 10,868.49 × 5,516.82
4. Step 4: Simplify right side
   7,874.10x = 59,959,503.00
5. Step 5: Solve for x
   x = 59,959,503.00/7,874.10
6. Step 6: Final answer
   x = 7,614.78