Finding the Fourth Proportional to 2,722.30, 4,084.02 and 1,423.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.30 : 4,084.02 = 1,423.42 : x
2. Step 2: Convert to fraction form
   2,722.30/4,084.02 = 1,423.42/x
3. Step 3: Cross multiply
   2,722.30x = 4,084.02 × 1,423.42
4. Step 4: Simplify right side
   2,722.30x = 5,813,275.75
5. Step 5: Solve for x
   x = 5,813,275.75/2,722.30
6. Step 6: Final answer
   x = 2,135.43