Finding the Fourth Proportional to 10,993.20, 16,492.23 and 5,449.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,993.20 : 16,492.23 = 5,449.56 : x
2. Step 2: Convert to fraction form
   10,993.20/16,492.23 = 5,449.56/x
3. Step 3: Cross multiply
   10,993.20x = 16,492.23 × 5,449.56
4. Step 4: Simplify right side
   10,993.20x = 89,875,396.92
5. Step 5: Solve for x
   x = 89,875,396.92/10,993.20
6. Step 6: Final answer
   x = 8,175.54