Finding the Fourth Proportional to 2,003.69, 3,005.76 and 616.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.69 : 3,005.76 = 616.97 : x
2. Step 2: Convert to fraction form
   2,003.69/3,005.76 = 616.97/x
3. Step 3: Cross multiply
   2,003.69x = 3,005.76 × 616.97
4. Step 4: Simplify right side
   2,003.69x = 1,854,463.75
5. Step 5: Solve for x
   x = 1,854,463.75/2,003.69
6. Step 6: Final answer
   x = 925.52