Finding the Fourth Proportional to 5,411.72, 8,118.94 and 1,516.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411.72 : 8,118.94 = 1,516.10 : x
2. Step 2: Convert to fraction form
   5,411.72/8,118.94 = 1,516.10/x
3. Step 3: Cross multiply
   5,411.72x = 8,118.94 × 1,516.10
4. Step 4: Simplify right side
   5,411.72x = 12,309,124.93
5. Step 5: Solve for x
   x = 12,309,124.93/5,411.72
6. Step 6: Final answer
   x = 2,274.53