Finding the Fourth Proportional to 2,101.41, 3,152.72 and 868.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.41 : 3,152.72 = 868.59 : x
2. Step 2: Convert to fraction form
   2,101.41/3,152.72 = 868.59/x
3. Step 3: Cross multiply
   2,101.41x = 3,152.72 × 868.59
4. Step 4: Simplify right side
   2,101.41x = 2,738,423.24
5. Step 5: Solve for x
   x = 2,738,423.24/2,101.41
6. Step 6: Final answer
   x = 1,303.14