Finding the Fourth Proportional to 1,566.98, 2,162.43 and 868.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.98 : 2,162.43 = 868.35 : x
2. Step 2: Convert to fraction form
   1,566.98/2,162.43 = 868.35/x
3. Step 3: Cross multiply
   1,566.98x = 2,162.43 × 868.35
4. Step 4: Simplify right side
   1,566.98x = 1,877,746.09
5. Step 5: Solve for x
   x = 1,877,746.09/1,566.98
6. Step 6: Final answer
   x = 1,198.32