Finding the Fourth Proportional to 10,449.09, 15,659.04 and 5,771.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,449.09 : 15,659.04 = 5,771.34 : x
2. Step 2: Convert to fraction form
   10,449.09/15,659.04 = 5,771.34/x
3. Step 3: Cross multiply
   10,449.09x = 15,659.04 × 5,771.34
4. Step 4: Simplify right side
   10,449.09x = 90,373,643.91
5. Step 5: Solve for x
   x = 90,373,643.91/10,449.09
6. Step 6: Final answer
   x = 8,648.95