Finding the Fourth Proportional to 2,558.90, 3,834.42 and 1,516.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.90 : 3,834.42 = 1,516.82 : x
2. Step 2: Convert to fraction form
   2,558.90/3,834.42 = 1,516.82/x
3. Step 3: Cross multiply
   2,558.90x = 3,834.42 × 1,516.82
4. Step 4: Simplify right side
   2,558.90x = 5,816,124.94
5. Step 5: Solve for x
   x = 5,816,124.94/2,558.90
6. Step 6: Final answer
   x = 2,272.90