Finding the Fourth Proportional to 6,105.99, 9,158.78 and 1,946.23

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.99 : 9,158.78 = 1,946.23 : x
2. Step 2: Convert to fraction form
   6,105.99/9,158.78 = 1,946.23/x
3. Step 3: Cross multiply
   6,105.99x = 9,158.78 × 1,946.23
4. Step 4: Simplify right side
   6,105.99x = 17,825,114.94
5. Step 5: Solve for x
   x = 17,825,114.94/6,105.99
6. Step 6: Final answer
   x = 2,919.28