Finding the Fourth Proportional to 10,449.94, 14,420.96 and 5,734.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,449.94 : 14,420.96 = 5,734.21 : x
2. Step 2: Convert to fraction form
   10,449.94/14,420.96 = 5,734.21/x
3. Step 3: Cross multiply
   10,449.94x = 14,420.96 × 5,734.21
4. Step 4: Simplify right side
   10,449.94x = 82,692,813.04
5. Step 5: Solve for x
   x = 82,692,813.04/10,449.94
6. Step 6: Final answer
   x = 7,913.23