Finding the Fourth Proportional to 1,498.36, 2,067.12 and 994.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.36 : 2,067.12 = 994.45 : x
2. Step 2: Convert to fraction form
   1,498.36/2,067.12 = 994.45/x
3. Step 3: Cross multiply
   1,498.36x = 2,067.12 × 994.45
4. Step 4: Simplify right side
   1,498.36x = 2,055,642.32
5. Step 5: Solve for x
   x = 2,055,642.32/1,498.36
6. Step 6: Final answer
   x = 1,371.93