Finding the Fourth Proportional to 8,499.72, 11,729.25 and 4,723.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.72 : 11,729.25 = 4,723.14 : x
2. Step 2: Convert to fraction form
   8,499.72/11,729.25 = 4,723.14/x
3. Step 3: Cross multiply
   8,499.72x = 11,729.25 × 4,723.14
4. Step 4: Simplify right side
   8,499.72x = 55,398,889.85
5. Step 5: Solve for x
   x = 55,398,889.85/8,499.72
6. Step 6: Final answer
   x = 6,517.73