Finding the Fourth Proportional to 2,739.72, 4,109.34 and 1,423.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,739.72 : 4,109.34 = 1,423.46 : x
2. Step 2: Convert to fraction form
   2,739.72/4,109.34 = 1,423.46/x
3. Step 3: Cross multiply
   2,739.72x = 4,109.34 × 1,423.46
4. Step 4: Simplify right side
   2,739.72x = 5,849,481.12
5. Step 5: Solve for x
   x = 5,849,481.12/2,739.72
6. Step 6: Final answer
   x = 2,135.07