Finding the Fourth Proportional to 1,433.19, 1,978.17 and 935.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.19 : 1,978.17 = 935.01 : x
2. Step 2: Convert to fraction form
   1,433.19/1,978.17 = 935.01/x
3. Step 3: Cross multiply
   1,433.19x = 1,978.17 × 935.01
4. Step 4: Simplify right side
   1,433.19x = 1,849,608.73
5. Step 5: Solve for x
   x = 1,849,608.73/1,433.19
6. Step 6: Final answer
   x = 1,290.55