Finding the Fourth Proportional to 1,603.55, 2,404.71 and 737.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.55 : 2,404.71 = 737.25 : x
2. Step 2: Convert to fraction form
   1,603.55/2,404.71 = 737.25/x
3. Step 3: Cross multiply
   1,603.55x = 2,404.71 × 737.25
4. Step 4: Simplify right side
   1,603.55x = 1,772,872.45
5. Step 5: Solve for x
   x = 1,772,872.45/1,603.55
6. Step 6: Final answer
   x = 1,105.60