Finding the Fourth Proportional to 2,103.29, 3,155.91 and 933.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.29 : 3,155.91 = 933.11 : x
2. Step 2: Convert to fraction form
   2,103.29/3,155.91 = 933.11/x
3. Step 3: Cross multiply
   2,103.29x = 3,155.91 × 933.11
4. Step 4: Simplify right side
   2,103.29x = 2,944,811.18
5. Step 5: Solve for x
   x = 2,944,811.18/2,103.29
6. Step 6: Final answer
   x = 1,400.10