Finding the Fourth Proportional to 2,838.61, 3,896.27 and 2,516.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,838.61 : 3,896.27 = 2,516.83 : x
2. Step 2: Convert to fraction form
   2,838.61/3,896.27 = 2,516.83/x
3. Step 3: Cross multiply
   2,838.61x = 3,896.27 × 2,516.83
4. Step 4: Simplify right side
   2,838.61x = 9,806,249.22
5. Step 5: Solve for x
   x = 9,806,249.22/2,838.61
6. Step 6: Final answer
   x = 3,454.60