Finding the Fourth Proportional to 4,945.89, 7,412.50 and 2,020.71

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945.89 : 7,412.50 = 2,020.71 : x
2. Step 2: Convert to fraction form
   4,945.89/7,412.50 = 2,020.71/x
3. Step 3: Cross multiply
   4,945.89x = 7,412.50 × 2,020.71
4. Step 4: Simplify right side
   4,945.89x = 14,978,531.83
5. Step 5: Solve for x
   x = 14,978,531.83/4,945.89
6. Step 6: Final answer
   x = 3,028.48