Finding the Fourth Proportional to 7,061.31, 9,744.91 and 4,229.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.31 : 9,744.91 = 4,229.15 : x
2. Step 2: Convert to fraction form
   7,061.31/9,744.91 = 4,229.15/x
3. Step 3: Cross multiply
   7,061.31x = 9,744.91 × 4,229.15
4. Step 4: Simplify right side
   7,061.31x = 41,212,647.97
5. Step 5: Solve for x
   x = 41,212,647.97/7,061.31
6. Step 6: Final answer
   x = 5,836.40