Finding the Fourth Proportional to 1,498.82, 2,067.86 and 939.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.82 : 2,067.86 = 939.11 : x
2. Step 2: Convert to fraction form
   1,498.82/2,067.86 = 939.11/x
3. Step 3: Cross multiply
   1,498.82x = 2,067.86 × 939.11
4. Step 4: Simplify right side
   1,498.82x = 1,941,940.01
5. Step 5: Solve for x
   x = 1,941,940.01/1,498.82
6. Step 6: Final answer
   x = 1,295.65