Finding the Fourth Proportional to 8,981.82, 12,394.92 and 5,205.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,981.82 : 12,394.92 = 5,205.72 : x
2. Step 2: Convert to fraction form
   8,981.82/12,394.92 = 5,205.72/x
3. Step 3: Cross multiply
   8,981.82x = 12,394.92 × 5,205.72
4. Step 4: Simplify right side
   8,981.82x = 64,524,482.94
5. Step 5: Solve for x
   x = 64,524,482.94/8,981.82
6. Step 6: Final answer
   x = 7,183.90