Finding the Fourth Proportional to 2,516.32, 3,775.59 and 874.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.32 : 3,775.59 = 874.04 : x
2. Step 2: Convert to fraction form
   2,516.32/3,775.59 = 874.04/x
3. Step 3: Cross multiply
   2,516.32x = 3,775.59 × 874.04
4. Step 4: Simplify right side
   2,516.32x = 3,300,016.59
5. Step 5: Solve for x
   x = 3,300,016.59/2,516.32
6. Step 6: Final answer
   x = 1,311.45