Finding the Fourth Proportional to 1,367.06, 1,885.42 and 868.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.06 : 1,885.42 = 868.83 : x
2. Step 2: Convert to fraction form
   1,367.06/1,885.42 = 868.83/x
3. Step 3: Cross multiply
   1,367.06x = 1,885.42 × 868.83
4. Step 4: Simplify right side
   1,367.06x = 1,638,109.19
5. Step 5: Solve for x
   x = 1,638,109.19/1,367.06
6. Step 6: Final answer
   x = 1,198.27