Finding the Fourth Proportional to 7,061.75, 9,745.22 and 3,917.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.75 : 9,745.22 = 3,917.96 : x
2. Step 2: Convert to fraction form
   7,061.75/9,745.22 = 3,917.96/x
3. Step 3: Cross multiply
   7,061.75x = 9,745.22 × 3,917.96
4. Step 4: Simplify right side
   7,061.75x = 38,181,362.56
5. Step 5: Solve for x
   x = 38,181,362.56/7,061.75
6. Step 6: Final answer
   x = 5,406.78