Finding the Fourth Proportional to 8,552.74, 12,830.46 and 3,287.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,552.74 : 12,830.46 = 3,287.54 : x
2. Step 2: Convert to fraction form
   8,552.74/12,830.46 = 3,287.54/x
3. Step 3: Cross multiply
   8,552.74x = 12,830.46 × 3,287.54
4. Step 4: Simplify right side
   8,552.74x = 42,180,650.47
5. Step 5: Solve for x
   x = 42,180,650.47/8,552.74
6. Step 6: Final answer
   x = 4,931.83