Finding the Fourth Proportional to 2,428.60, 3,641.52 and 868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428.60 : 3,641.52 = 868.52 : x
2. Step 2: Convert to fraction form
   2,428.60/3,641.52 = 868.52/x
3. Step 3: Cross multiply
   2,428.60x = 3,641.52 × 868.52
4. Step 4: Simplify right side
   2,428.60x = 3,162,732.95
5. Step 5: Solve for x
   x = 3,162,732.95/2,428.60
6. Step 6: Final answer
   x = 1,302.29