Finding the Fourth Proportional to 2,328.41, 3,213.27 and 1,280.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.41 : 3,213.27 = 1,280.48 : x
2. Step 2: Convert to fraction form
   2,328.41/3,213.27 = 1,280.48/x
3. Step 3: Cross multiply
   2,328.41x = 3,213.27 × 1,280.48
4. Step 4: Simplify right side
   2,328.41x = 4,114,511.90
5. Step 5: Solve for x
   x = 4,114,511.90/2,328.41
6. Step 6: Final answer
   x = 1,767.09