Finding the Fourth Proportional to 10,825.06, 16,233.94 and 8,740.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,825.06 : 16,233.94 = 8,740.12 : x
2. Step 2: Convert to fraction form
   10,825.06/16,233.94 = 8,740.12/x
3. Step 3: Cross multiply
   10,825.06x = 16,233.94 × 8,740.12
4. Step 4: Simplify right side
   10,825.06x = 141,886,583.67
5. Step 5: Solve for x
   x = 141,886,583.67/10,825.06
6. Step 6: Final answer
   x = 13,107.23