Finding the Fourth Proportional to 1,601.42, 2,402.48 and 908.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.42 : 2,402.48 = 908.42 : x
2. Step 2: Convert to fraction form
   1,601.42/2,402.48 = 908.42/x
3. Step 3: Cross multiply
   1,601.42x = 2,402.48 × 908.42
4. Step 4: Simplify right side
   1,601.42x = 2,182,460.88
5. Step 5: Solve for x
   x = 2,182,460.88/1,601.42
6. Step 6: Final answer
   x = 1,362.83