Finding the Fourth Proportional to 10,449.46, 14,420.55 and 5,734.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,449.46 : 14,420.55 = 5,734.05 : x
2. Step 2: Convert to fraction form
   10,449.46/14,420.55 = 5,734.05/x
3. Step 3: Cross multiply
   10,449.46x = 14,420.55 × 5,734.05
4. Step 4: Simplify right side
   10,449.46x = 82,688,154.73
5. Step 5: Solve for x
   x = 82,688,154.73/10,449.46
6. Step 6: Final answer
   x = 7,913.15