Finding the Fourth Proportional to 2,847.86, 4,271.92 and 873.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.86 : 4,271.92 = 873.34 : x
2. Step 2: Convert to fraction form
   2,847.86/4,271.92 = 873.34/x
3. Step 3: Cross multiply
   2,847.86x = 4,271.92 × 873.34
4. Step 4: Simplify right side
   2,847.86x = 3,730,849.78
5. Step 5: Solve for x
   x = 3,730,849.78/2,847.86
6. Step 6: Final answer
   x = 1,310.05