Finding the Fourth Proportional to 8,748.53, 12,074.85 and 5,162.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.53 : 12,074.85 = 5,162.15 : x
2. Step 2: Convert to fraction form
   8,748.53/12,074.85 = 5,162.15/x
3. Step 3: Cross multiply
   8,748.53x = 12,074.85 × 5,162.15
4. Step 4: Simplify right side
   8,748.53x = 62,332,217.11
5. Step 5: Solve for x
   x = 62,332,217.11/8,748.53
6. Step 6: Final answer
   x = 7,124.88