Finding the Fourth Proportional to 1,601.55, 2,402.67 and 908.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.55 : 2,402.67 = 908.55 : x
2. Step 2: Convert to fraction form
   1,601.55/2,402.67 = 908.55/x
3. Step 3: Cross multiply
   1,601.55x = 2,402.67 × 908.55
4. Step 4: Simplify right side
   1,601.55x = 2,182,945.83
5. Step 5: Solve for x
   x = 2,182,945.83/1,601.55
6. Step 6: Final answer
   x = 1,363.02