Finding the Fourth Proportional to 2,723.46, 4,085.10 and 874.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.46 : 4,085.10 = 874.68 : x
2. Step 2: Convert to fraction form
   2,723.46/4,085.10 = 874.68/x
3. Step 3: Cross multiply
   2,723.46x = 4,085.10 × 874.68
4. Step 4: Simplify right side
   2,723.46x = 3,573,155.27
5. Step 5: Solve for x
   x = 3,573,155.27/2,723.46
6. Step 6: Final answer
   x = 1,311.99