Finding the Fourth Proportional to 2,611.50, 3,916.03 and 1,516.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.50 : 3,916.03 = 1,516.17 : x
2. Step 2: Convert to fraction form
   2,611.50/3,916.03 = 1,516.17/x
3. Step 3: Cross multiply
   2,611.50x = 3,916.03 × 1,516.17
4. Step 4: Simplify right side
   2,611.50x = 5,937,367.21
5. Step 5: Solve for x
   x = 5,937,367.21/2,611.50
6. Step 6: Final answer
   x = 2,273.55