Finding the Fourth Proportional to 9,727.85, 13,423.88 and 5,749.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,727.85 : 13,423.88 = 5,749.34 : x
2. Step 2: Convert to fraction form
   9,727.85/13,423.88 = 5,749.34/x
3. Step 3: Cross multiply
   9,727.85x = 13,423.88 × 5,749.34
4. Step 4: Simplify right side
   9,727.85x = 77,178,383.12
5. Step 5: Solve for x
   x = 77,178,383.12/9,727.85
6. Step 6: Final answer
   x = 7,933.76