Finding the Fourth Proportional to 2,306.43, 3,184.02 and 1,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.43 : 3,184.02 = 1,422.72 : x
2. Step 2: Convert to fraction form
   2,306.43/3,184.02 = 1,422.72/x
3. Step 3: Cross multiply
   2,306.43x = 3,184.02 × 1,422.72
4. Step 4: Simplify right side
   2,306.43x = 4,529,968.93
5. Step 5: Solve for x
   x = 4,529,968.93/2,306.43
6. Step 6: Final answer
   x = 1,964.06