Finding the Fourth Proportional to 2,149.92, 3,225.60 and 1,327.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.92 : 3,225.60 = 1,327.05 : x
2. Step 2: Convert to fraction form
   2,149.92/3,225.60 = 1,327.05/x
3. Step 3: Cross multiply
   2,149.92x = 3,225.60 × 1,327.05
4. Step 4: Simplify right side
   2,149.92x = 4,280,532.48
5. Step 5: Solve for x
   x = 4,280,532.48/2,149.92
6. Step 6: Final answer
   x = 1,991.02