Finding the Fourth Proportional to 5,672.72, 7,826.16 and 4,184.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,672.72 : 7,826.16 = 4,184.18 : x
2. Step 2: Convert to fraction form
   5,672.72/7,826.16 = 4,184.18/x
3. Step 3: Cross multiply
   5,672.72x = 7,826.16 × 4,184.18
4. Step 4: Simplify right side
   5,672.72x = 32,746,062.15
5. Step 5: Solve for x
   x = 32,746,062.15/5,672.72
6. Step 6: Final answer
   x = 5,772.55