Finding the Fourth Proportional to 1,498.86, 2,067.09 and 939.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.86 : 2,067.09 = 939.39 : x
2. Step 2: Convert to fraction form
   1,498.86/2,067.09 = 939.39/x
3. Step 3: Cross multiply
   1,498.86x = 2,067.09 × 939.39
4. Step 4: Simplify right side
   1,498.86x = 1,941,807.90
5. Step 5: Solve for x
   x = 1,941,807.90/1,498.86
6. Step 6: Final answer
   x = 1,295.52