Finding the Fourth Proportional to 2,335.16, 3,503.79 and 874.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.16 : 3,503.79 = 874.42 : x
2. Step 2: Convert to fraction form
   2,335.16/3,503.79 = 874.42/x
3. Step 3: Cross multiply
   2,335.16x = 3,503.79 × 874.42
4. Step 4: Simplify right side
   2,335.16x = 3,063,775.29
5. Step 5: Solve for x
   x = 3,063,775.29/2,335.16
6. Step 6: Final answer
   x = 1,312.02