Finding the Fourth Proportional to 1,433.30, 1,977.41 and 908.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.30 : 1,977.41 = 908.42 : x
2. Step 2: Convert to fraction form
   1,433.30/1,977.41 = 908.42/x
3. Step 3: Cross multiply
   1,433.30x = 1,977.41 × 908.42
4. Step 4: Simplify right side
   1,433.30x = 1,796,311.18
5. Step 5: Solve for x
   x = 1,796,311.18/1,433.30
6. Step 6: Final answer
   x = 1,253.27