Finding the Fourth Proportional to 1,498.20, 2,067.87 and 994.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.20 : 2,067.87 = 994.13 : x
2. Step 2: Convert to fraction form
   1,498.20/2,067.87 = 994.13/x
3. Step 3: Cross multiply
   1,498.20x = 2,067.87 × 994.13
4. Step 4: Simplify right side
   1,498.20x = 2,055,721.26
5. Step 5: Solve for x
   x = 2,055,721.26/1,498.20
6. Step 6: Final answer
   x = 1,372.13