Finding the Fourth Proportional to 8,550.66, 12,750.54 and 8,246.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,550.66 : 12,750.54 = 8,246.10 : x
2. Step 2: Convert to fraction form
   8,550.66/12,750.54 = 8,246.10/x
3. Step 3: Cross multiply
   8,550.66x = 12,750.54 × 8,246.10
4. Step 4: Simplify right side
   8,550.66x = 105,142,227.89
5. Step 5: Solve for x
   x = 105,142,227.89/8,550.66
6. Step 6: Final answer
   x = 12,296.39