Finding the Fourth Proportional to 2,292.30, 3,164.31 and 1,767.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,292.30 : 3,164.31 = 1,767.42 : x
2. Step 2: Convert to fraction form
   2,292.30/3,164.31 = 1,767.42/x
3. Step 3: Cross multiply
   2,292.30x = 3,164.31 × 1,767.42
4. Step 4: Simplify right side
   2,292.30x = 5,592,664.78
5. Step 5: Solve for x
   x = 5,592,664.78/2,292.30
6. Step 6: Final answer
   x = 2,439.76