Finding the Fourth Proportional to 7,081.98, 9,773.19 and 3,938.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,081.98 : 9,773.19 = 3,938.10 : x
2. Step 2: Convert to fraction form
   7,081.98/9,773.19 = 3,938.10/x
3. Step 3: Cross multiply
   7,081.98x = 9,773.19 × 3,938.10
4. Step 4: Simplify right side
   7,081.98x = 38,487,799.54
5. Step 5: Solve for x
   x = 38,487,799.54/7,081.98
6. Step 6: Final answer
   x = 5,434.61