Finding the Fourth Proportional to 2,948.02, 4,422.58 and 868.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.02 : 4,422.58 = 868.03 : x
2. Step 2: Convert to fraction form
   2,948.02/4,422.58 = 868.03/x
3. Step 3: Cross multiply
   2,948.02x = 4,422.58 × 868.03
4. Step 4: Simplify right side
   2,948.02x = 3,838,918.89
5. Step 5: Solve for x
   x = 3,838,918.89/2,948.02
6. Step 6: Final answer
   x = 1,302.20