Finding the Fourth Proportional to 1,889.33, 2,836.37 and 1,198.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.33 : 2,836.37 = 1,198.89 : x
2. Step 2: Convert to fraction form
   1,889.33/2,836.37 = 1,198.89/x
3. Step 3: Cross multiply
   1,889.33x = 2,836.37 × 1,198.89
4. Step 4: Simplify right side
   1,889.33x = 3,400,498.63
5. Step 5: Solve for x
   x = 3,400,498.63/1,889.33
6. Step 6: Final answer
   x = 1,799.85