Finding the Fourth Proportional to 8,321.82, 12,482.04 and 2,478.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,321.82 : 12,482.04 = 2,478.43 : x
2. Step 2: Convert to fraction form
   8,321.82/12,482.04 = 2,478.43/x
3. Step 3: Cross multiply
   8,321.82x = 12,482.04 × 2,478.43
4. Step 4: Simplify right side
   8,321.82x = 30,935,793.79
5. Step 5: Solve for x
   x = 30,935,793.79/8,321.82
6. Step 6: Final answer
   x = 3,717.43