Finding the Fourth Proportional to 7,061.79, 9,745.72 and 3,917.97

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.79 : 9,745.72 = 3,917.97 : x
2. Step 2: Convert to fraction form
   7,061.79/9,745.72 = 3,917.97/x
3. Step 3: Cross multiply
   7,061.79x = 9,745.72 × 3,917.97
4. Step 4: Simplify right side
   7,061.79x = 38,183,438.59
5. Step 5: Solve for x
   x = 38,183,438.59/7,061.79
6. Step 6: Final answer
   x = 5,407.05