Finding the Fourth Proportional to 1,920.76, 2,882.22 and 935.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.76 : 2,882.22 = 935.89 : x
2. Step 2: Convert to fraction form
   1,920.76/2,882.22 = 935.89/x
3. Step 3: Cross multiply
   1,920.76x = 2,882.22 × 935.89
4. Step 4: Simplify right side
   1,920.76x = 2,697,440.88
5. Step 5: Solve for x
   x = 2,697,440.88/1,920.76
6. Step 6: Final answer
   x = 1,404.36