Finding the Fourth Proportional to 2,948.36, 4,423.23 and 868.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.36 : 4,423.23 = 868.37 : x
2. Step 2: Convert to fraction form
   2,948.36/4,423.23 = 868.37/x
3. Step 3: Cross multiply
   2,948.36x = 4,423.23 × 868.37
4. Step 4: Simplify right side
   2,948.36x = 3,840,978.12
5. Step 5: Solve for x
   x = 3,840,978.12/2,948.36
6. Step 6: Final answer
   x = 1,302.75