Finding the Fourth Proportional to 2,516.58, 3,774.33 and 872.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.58 : 3,774.33 = 872.82 : x
2. Step 2: Convert to fraction form
   2,516.58/3,774.33 = 872.82/x
3. Step 3: Cross multiply
   2,516.58x = 3,774.33 × 872.82
4. Step 4: Simplify right side
   2,516.58x = 3,294,310.71
5. Step 5: Solve for x
   x = 3,294,310.71/2,516.58
6. Step 6: Final answer
   x = 1,309.04