Finding the Fourth Proportional to 3,020.72, 4,540.01 and 2,938.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,020.72 : 4,540.01 = 2,938.91 : x
2. Step 2: Convert to fraction form
   3,020.72/4,540.01 = 2,938.91/x
3. Step 3: Cross multiply
   3,020.72x = 4,540.01 × 2,938.91
4. Step 4: Simplify right side
   3,020.72x = 13,342,643.39
5. Step 5: Solve for x
   x = 13,342,643.39/3,020.72
6. Step 6: Final answer
   x = 4,417.05