Finding the Fourth Proportional to 8,300.12, 12,450.42 and 2,755.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.12 : 12,450.42 = 2,755.88 : x
2. Step 2: Convert to fraction form
   8,300.12/12,450.42 = 2,755.88/x
3. Step 3: Cross multiply
   8,300.12x = 12,450.42 × 2,755.88
4. Step 4: Simplify right side
   8,300.12x = 34,311,863.47
5. Step 5: Solve for x
   x = 34,311,863.47/8,300.12
6. Step 6: Final answer
   x = 4,133.90