Finding the Fourth Proportional to 2,938.54, 4,055.37 and 1,942.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.54 : 4,055.37 = 1,942.07 : x
2. Step 2: Convert to fraction form
   2,938.54/4,055.37 = 1,942.07/x
3. Step 3: Cross multiply
   2,938.54x = 4,055.37 × 1,942.07
4. Step 4: Simplify right side
   2,938.54x = 7,875,782.43
5. Step 5: Solve for x
   x = 7,875,782.43/2,938.54
6. Step 6: Final answer
   x = 2,680.17