Finding the Fourth Proportional to 10,449.72, 14,420.79 and 5,734.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,449.72 : 14,420.79 = 5,734.44 : x
2. Step 2: Convert to fraction form
   10,449.72/14,420.79 = 5,734.44/x
3. Step 3: Cross multiply
   10,449.72x = 14,420.79 × 5,734.44
4. Step 4: Simplify right side
   10,449.72x = 82,695,155.01
5. Step 5: Solve for x
   x = 82,695,155.01/10,449.72
6. Step 6: Final answer
   x = 7,913.62