Finding the Fourth Proportional to 2,103.90, 3,154.37 and 933.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.90 : 3,154.37 = 933.27 : x
2. Step 2: Convert to fraction form
   2,103.90/3,154.37 = 933.27/x
3. Step 3: Cross multiply
   2,103.90x = 3,154.37 × 933.27
4. Step 4: Simplify right side
   2,103.90x = 2,943,863.12
5. Step 5: Solve for x
   x = 2,943,863.12/2,103.90
6. Step 6: Final answer
   x = 1,399.24