Finding the Fourth Proportional to 2,516.27, 3,773.13 and 872.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.27 : 3,773.13 = 872.37 : x
2. Step 2: Convert to fraction form
   2,516.27/3,773.13 = 872.37/x
3. Step 3: Cross multiply
   2,516.27x = 3,773.13 × 872.37
4. Step 4: Simplify right side
   2,516.27x = 3,291,565.42
5. Step 5: Solve for x
   x = 3,291,565.42/2,516.27
6. Step 6: Final answer
   x = 1,308.11