Finding the Fourth Proportional to 2,457.96, 3,683.34 and 1,939.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.96 : 3,683.34 = 1,939.23 : x
2. Step 2: Convert to fraction form
   2,457.96/3,683.34 = 1,939.23/x
3. Step 3: Cross multiply
   2,457.96x = 3,683.34 × 1,939.23
4. Step 4: Simplify right side
   2,457.96x = 7,142,843.43
5. Step 5: Solve for x
   x = 7,142,843.43/2,457.96
6. Step 6: Final answer
   x = 2,906.00