Finding the Fourth Proportional to 3,411.72, 5,115.39 and 1,632.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.72 : 5,115.39 = 1,632.05 : x
2. Step 2: Convert to fraction form
   3,411.72/5,115.39 = 1,632.05/x
3. Step 3: Cross multiply
   3,411.72x = 5,115.39 × 1,632.05
4. Step 4: Simplify right side
   3,411.72x = 8,348,546.67
5. Step 5: Solve for x
   x = 8,348,546.67/3,411.72
6. Step 6: Final answer
   x = 2,447.02