Finding the Fourth Proportional to 2,842.29, 4,263.98 and 868.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,842.29 : 4,263.98 = 868.05 : x
2. Step 2: Convert to fraction form
   2,842.29/4,263.98 = 868.05/x
3. Step 3: Cross multiply
   2,842.29x = 4,263.98 × 868.05
4. Step 4: Simplify right side
   2,842.29x = 3,701,343.50
5. Step 5: Solve for x
   x = 3,701,343.50/2,842.29
6. Step 6: Final answer
   x = 1,302.24