Finding the Fourth Proportional to 7,061.97, 9,746.69 and 3,919.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.97 : 9,746.69 = 3,919.17 : x
2. Step 2: Convert to fraction form
   7,061.97/9,746.69 = 3,919.17/x
3. Step 3: Cross multiply
   7,061.97x = 9,746.69 × 3,919.17
4. Step 4: Simplify right side
   7,061.97x = 38,198,935.05
5. Step 5: Solve for x
   x = 38,198,935.05/7,061.97
6. Step 6: Final answer
   x = 5,409.10