Finding the Fourth Proportional to 2,939.96, 4,404.38 and 1,457.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.96 : 4,404.38 = 1,457.46 : x
2. Step 2: Convert to fraction form
   2,939.96/4,404.38 = 1,457.46/x
3. Step 3: Cross multiply
   2,939.96x = 4,404.38 × 1,457.46
4. Step 4: Simplify right side
   2,939.96x = 6,419,200.39
5. Step 5: Solve for x
   x = 6,419,200.39/2,939.96
6. Step 6: Final answer
   x = 2,183.43