Finding the Fourth Proportional to 1,603.82, 2,404.35 and 629.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.82 : 2,404.35 = 629.69 : x
2. Step 2: Convert to fraction form
   1,603.82/2,404.35 = 629.69/x
3. Step 3: Cross multiply
   1,603.82x = 2,404.35 × 629.69
4. Step 4: Simplify right side
   1,603.82x = 1,513,995.15
5. Step 5: Solve for x
   x = 1,513,995.15/1,603.82
6. Step 6: Final answer
   x = 943.99