Finding the Fourth Proportional to 1,433.50, 1,977.56 and 935.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.50 : 1,977.56 = 935.95 : x
2. Step 2: Convert to fraction form
   1,433.50/1,977.56 = 935.95/x
3. Step 3: Cross multiply
   1,433.50x = 1,977.56 × 935.95
4. Step 4: Simplify right side
   1,433.50x = 1,850,897.28
5. Step 5: Solve for x
   x = 1,850,897.28/1,433.50
6. Step 6: Final answer
   x = 1,291.17