Finding the Fourth Proportional to 2,301.40, 3,192.79 and 2,204.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.40 : 3,192.79 = 2,204.20 : x
2. Step 2: Convert to fraction form
   2,301.40/3,192.79 = 2,204.20/x
3. Step 3: Cross multiply
   2,301.40x = 3,192.79 × 2,204.20
4. Step 4: Simplify right side
   2,301.40x = 7,037,547.72
5. Step 5: Solve for x
   x = 7,037,547.72/2,301.40
6. Step 6: Final answer
   x = 3,057.94