Finding the Fourth Proportional to 4,499.26, 6,748.91 and 2,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,499.26 : 6,748.91 = 2,158.72 : x
2. Step 2: Convert to fraction form
   4,499.26/6,748.91 = 2,158.72/x
3. Step 3: Cross multiply
   4,499.26x = 6,748.91 × 2,158.72
4. Step 4: Simplify right side
   4,499.26x = 14,568,987.42
5. Step 5: Solve for x
   x = 14,568,987.42/4,499.26
6. Step 6: Final answer
   x = 3,238.09