Finding the Fourth Proportional to 5,182.72, 7,152.16 and 2,824.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,182.72 : 7,152.16 = 2,824.86 : x
2. Step 2: Convert to fraction form
   5,182.72/7,152.16 = 2,824.86/x
3. Step 3: Cross multiply
   5,182.72x = 7,152.16 × 2,824.86
4. Step 4: Simplify right side
   5,182.72x = 20,203,836.57
5. Step 5: Solve for x
   x = 20,203,836.57/5,182.72
6. Step 6: Final answer
   x = 3,898.31