Finding the Fourth Proportional to 7,061.56, 9,744.24 and 4,078.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.56 : 9,744.24 = 4,078.35 : x
2. Step 2: Convert to fraction form
   7,061.56/9,744.24 = 4,078.35/x
3. Step 3: Cross multiply
   7,061.56x = 9,744.24 × 4,078.35
4. Step 4: Simplify right side
   7,061.56x = 39,740,421.20
5. Step 5: Solve for x
   x = 39,740,421.20/7,061.56
6. Step 6: Final answer
   x = 5,627.71