Finding the Fourth Proportional to 1,401.77, 1,934.75 and 935.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.77 : 1,934.75 = 935.75 : x
2. Step 2: Convert to fraction form
   1,401.77/1,934.75 = 935.75/x
3. Step 3: Cross multiply
   1,401.77x = 1,934.75 × 935.75
4. Step 4: Simplify right side
   1,401.77x = 1,810,442.31
5. Step 5: Solve for x
   x = 1,810,442.31/1,401.77
6. Step 6: Final answer
   x = 1,291.54