Finding the Fourth Proportional to 1,566.98, 2,162.39 and 868.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.98 : 2,162.39 = 868.34 : x
2. Step 2: Convert to fraction form
   1,566.98/2,162.39 = 868.34/x
3. Step 3: Cross multiply
   1,566.98x = 2,162.39 × 868.34
4. Step 4: Simplify right side
   1,566.98x = 1,877,689.73
5. Step 5: Solve for x
   x = 1,877,689.73/1,566.98
6. Step 6: Final answer
   x = 1,198.29