Finding the Fourth Proportional to 2,723.53, 4,085.83 and 874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.53 : 4,085.83 = 874.50 : x
2. Step 2: Convert to fraction form
   2,723.53/4,085.83 = 874.50/x
3. Step 3: Cross multiply
   2,723.53x = 4,085.83 × 874.50
4. Step 4: Simplify right side
   2,723.53x = 3,573,064.18
5. Step 5: Solve for x
   x = 3,573,064.18/2,723.53
6. Step 6: Final answer
   x = 1,311.92