Finding the Fourth Proportional to 8,464.18, 12,700.59 and 7,245.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,464.18 : 12,700.59 = 7,245.94 : x
2. Step 2: Convert to fraction form
   8,464.18/12,700.59 = 7,245.94/x
3. Step 3: Cross multiply
   8,464.18x = 12,700.59 × 7,245.94
4. Step 4: Simplify right side
   8,464.18x = 92,027,713.10
5. Step 5: Solve for x
   x = 92,027,713.10/8,464.18
6. Step 6: Final answer
   x = 10,872.61