Finding the Fourth Proportional to 4,081.10, 5,632.20 and 2,312.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,081.10 : 5,632.20 = 2,312.72 : x
2. Step 2: Convert to fraction form
   4,081.10/5,632.20 = 2,312.72/x
3. Step 3: Cross multiply
   4,081.10x = 5,632.20 × 2,312.72
4. Step 4: Simplify right side
   4,081.10x = 13,025,701.58
5. Step 5: Solve for x
   x = 13,025,701.58/4,081.10
6. Step 6: Final answer
   x = 3,191.71