Finding the Fourth Proportional to 1,567.02, 2,162.34 and 868.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.02 : 2,162.34 = 868.38 : x
2. Step 2: Convert to fraction form
   1,567.02/2,162.34 = 868.38/x
3. Step 3: Cross multiply
   1,567.02x = 2,162.34 × 868.38
4. Step 4: Simplify right side
   1,567.02x = 1,877,732.81
5. Step 5: Solve for x
   x = 1,877,732.81/1,567.02
6. Step 6: Final answer
   x = 1,198.28