Finding the Fourth Proportional to 5,814.72, 8,716.50 and 3,728.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,814.72 : 8,716.50 = 3,728.88 : x
2. Step 2: Convert to fraction form
   5,814.72/8,716.50 = 3,728.88/x
3. Step 3: Cross multiply
   5,814.72x = 8,716.50 × 3,728.88
4. Step 4: Simplify right side
   5,814.72x = 32,502,782.52
5. Step 5: Solve for x
   x = 32,502,782.52/5,814.72
6. Step 6: Final answer
   x = 5,589.74