Finding the Fourth Proportional to 1,366.06, 1,884.72 and 868.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.06 : 1,884.72 = 868.93 : x
2. Step 2: Convert to fraction form
   1,366.06/1,884.72 = 868.93/x
3. Step 3: Cross multiply
   1,366.06x = 1,884.72 × 868.93
4. Step 4: Simplify right side
   1,366.06x = 1,637,689.75
5. Step 5: Solve for x
   x = 1,637,689.75/1,366.06
6. Step 6: Final answer
   x = 1,198.84