Finding the Fourth Proportional to 2,641.08, 3,963.96 and 1,409.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.08 : 3,963.96 = 1,409.52 : x
2. Step 2: Convert to fraction form
   2,641.08/3,963.96 = 1,409.52/x
3. Step 3: Cross multiply
   2,641.08x = 3,963.96 × 1,409.52
4. Step 4: Simplify right side
   2,641.08x = 5,587,280.90
5. Step 5: Solve for x
   x = 5,587,280.90/2,641.08
6. Step 6: Final answer
   x = 2,115.53