Finding the Fourth Proportional to 8,994.89, 12,410.17 and 5,217.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,994.89 : 12,410.17 = 5,217.28 : x
2. Step 2: Convert to fraction form
   8,994.89/12,410.17 = 5,217.28/x
3. Step 3: Cross multiply
   8,994.89x = 12,410.17 × 5,217.28
4. Step 4: Simplify right side
   8,994.89x = 64,747,287.67
5. Step 5: Solve for x
   x = 64,747,287.67/8,994.89
6. Step 6: Final answer
   x = 7,198.23