Finding the Fourth Proportional to 1,401.11, 1,933.94 and 936.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.11 : 1,933.94 = 936.71 : x
2. Step 2: Convert to fraction form
   1,401.11/1,933.94 = 936.71/x
3. Step 3: Cross multiply
   1,401.11x = 1,933.94 × 936.71
4. Step 4: Simplify right side
   1,401.11x = 1,811,536.25
5. Step 5: Solve for x
   x = 1,811,536.25/1,401.11
6. Step 6: Final answer
   x = 1,292.93