Finding the Fourth Proportional to 6,540.72, 9,028.17 and 4,446.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,540.72 : 9,028.17 = 4,446.06 : x
2. Step 2: Convert to fraction form
   6,540.72/9,028.17 = 4,446.06/x
3. Step 3: Cross multiply
   6,540.72x = 9,028.17 × 4,446.06
4. Step 4: Simplify right side
   6,540.72x = 40,139,785.51
5. Step 5: Solve for x
   x = 40,139,785.51/6,540.72
6. Step 6: Final answer
   x = 6,136.91