Finding the Fourth Proportional to 2,133.30, 3,198.77 and 746.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.30 : 3,198.77 = 746.27 : x
2. Step 2: Convert to fraction form
   2,133.30/3,198.77 = 746.27/x
3. Step 3: Cross multiply
   2,133.30x = 3,198.77 × 746.27
4. Step 4: Simplify right side
   2,133.30x = 2,387,146.09
5. Step 5: Solve for x
   x = 2,387,146.09/2,133.30
6. Step 6: Final answer
   x = 1,118.99