Finding the Fourth Proportional to 9,997.28, 13,796.69 and 5,749.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997.28 : 13,796.69 = 5,749.72 : x
2. Step 2: Convert to fraction form
   9,997.28/13,796.69 = 5,749.72/x
3. Step 3: Cross multiply
   9,997.28x = 13,796.69 × 5,749.72
4. Step 4: Simplify right side
   9,997.28x = 79,327,104.43
5. Step 5: Solve for x
   x = 79,327,104.43/9,997.28
6. Step 6: Final answer
   x = 7,934.87