Finding the Fourth Proportional to 1,603.10, 2,404.69 and 492.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.10 : 2,404.69 = 492.54 : x
2. Step 2: Convert to fraction form
   1,603.10/2,404.69 = 492.54/x
3. Step 3: Cross multiply
   1,603.10x = 2,404.69 × 492.54
4. Step 4: Simplify right side
   1,603.10x = 1,184,406.01
5. Step 5: Solve for x
   x = 1,184,406.01/1,603.10
6. Step 6: Final answer
   x = 738.82