Finding the Fourth Proportional to 10,449.92, 14,420.85 and 5,734.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,449.92 : 14,420.85 = 5,734.28 : x
2. Step 2: Convert to fraction form
   10,449.92/14,420.85 = 5,734.28/x
3. Step 3: Cross multiply
   10,449.92x = 14,420.85 × 5,734.28
4. Step 4: Simplify right side
   10,449.92x = 82,693,191.74
5. Step 5: Solve for x
   x = 82,693,191.74/10,449.92
6. Step 6: Final answer
   x = 7,913.28