Finding the Fourth Proportional to 8,250.12, 12,375.59 and 3,054.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,250.12 : 12,375.59 = 3,054.78 : x
2. Step 2: Convert to fraction form
   8,250.12/12,375.59 = 3,054.78/x
3. Step 3: Cross multiply
   8,250.12x = 12,375.59 × 3,054.78
4. Step 4: Simplify right side
   8,250.12x = 37,804,689.55
5. Step 5: Solve for x
   x = 37,804,689.55/8,250.12
6. Step 6: Final answer
   x = 4,582.32