Finding the Fourth Proportional to 3,105.60, 4,288.32 and 2,062.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.60 : 4,288.32 = 2,062.32 : x
2. Step 2: Convert to fraction form
   3,105.60/4,288.32 = 2,062.32/x
3. Step 3: Cross multiply
   3,105.60x = 4,288.32 × 2,062.32
4. Step 4: Simplify right side
   3,105.60x = 8,843,888.10
5. Step 5: Solve for x
   x = 8,843,888.10/3,105.60
6. Step 6: Final answer
   x = 2,847.72