Finding the Fourth Proportional to 1,334.28, 1,840.54 and 868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.28 : 1,840.54 = 868.52 : x
2. Step 2: Convert to fraction form
   1,334.28/1,840.54 = 868.52/x
3. Step 3: Cross multiply
   1,334.28x = 1,840.54 × 868.52
4. Step 4: Simplify right side
   1,334.28x = 1,598,545.80
5. Step 5: Solve for x
   x = 1,598,545.80/1,334.28
6. Step 6: Final answer
   x = 1,198.06