Finding the Fourth Proportional to 2,335.68, 3,502.60 and 874.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.68 : 3,502.60 = 874.04 : x
2. Step 2: Convert to fraction form
   2,335.68/3,502.60 = 874.04/x
3. Step 3: Cross multiply
   2,335.68x = 3,502.60 × 874.04
4. Step 4: Simplify right side
   2,335.68x = 3,061,412.50
5. Step 5: Solve for x
   x = 3,061,412.50/2,335.68
6. Step 6: Final answer
   x = 1,310.72