Finding the Fourth Proportional to 897.46, 1,337.38 and 868.10

Step by Step Solution

1. Step 1: Write the proportion equation
   897.46 : 1,337.38 = 868.10 : x
2. Step 2: Convert to fraction form
   897.46/1,337.38 = 868.10/x
3. Step 3: Cross multiply
   897.46x = 1,337.38 × 868.10
4. Step 4: Simplify right side
   897.46x = 1,160,970.72
5. Step 5: Solve for x
   x = 1,160,970.72/897.46
6. Step 6: Final answer
   x = 1,293.62