Finding the Fourth Proportional to 12,296, 18,443.82 and 5,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,296 : 18,443.82 = 5,718.50 : x
2. Step 2: Convert to fraction form
   12,296/18,443.82 = 5,718.50/x
3. Step 3: Cross multiply
   12,296x = 18,443.82 × 5,718.50
4. Step 4: Simplify right side
   12,296x = 105,470,984.67
5. Step 5: Solve for x
   x = 105,470,984.67/12,296
6. Step 6: Final answer
   x = 8,577.67