Finding the Fourth Proportional to 7,081.98, 9,772.68 and 3,938.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,081.98 : 9,772.68 = 3,938.22 : x
2. Step 2: Convert to fraction form
   7,081.98/9,772.68 = 3,938.22/x
3. Step 3: Cross multiply
   7,081.98x = 9,772.68 × 3,938.22
4. Step 4: Simplify right side
   7,081.98x = 38,486,963.83
5. Step 5: Solve for x
   x = 38,486,963.83/7,081.98
6. Step 6: Final answer
   x = 5,434.49