Finding the Fourth Proportional to 8,728.17, 12,050.56 and 5,749.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,728.17 : 12,050.56 = 5,749.07 : x
2. Step 2: Convert to fraction form
   8,728.17/12,050.56 = 5,749.07/x
3. Step 3: Cross multiply
   8,728.17x = 12,050.56 × 5,749.07
4. Step 4: Simplify right side
   8,728.17x = 69,279,459.91
5. Step 5: Solve for x
   x = 69,279,459.91/8,728.17
6. Step 6: Final answer
   x = 7,937.46