Finding the Fourth Proportional to 1,498.43, 2,067.02 and 938.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.43 : 2,067.02 = 938.78 : x
2. Step 2: Convert to fraction form
   1,498.43/2,067.02 = 938.78/x
3. Step 3: Cross multiply
   1,498.43x = 2,067.02 × 938.78
4. Step 4: Simplify right side
   1,498.43x = 1,940,477.04
5. Step 5: Solve for x
   x = 1,940,477.04/1,498.43
6. Step 6: Final answer
   x = 1,295.01