Finding the Fourth Proportional to 2,003.63, 3,005.79 and 616.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.63 : 3,005.79 = 616.94 : x
2. Step 2: Convert to fraction form
   2,003.63/3,005.79 = 616.94/x
3. Step 3: Cross multiply
   2,003.63x = 3,005.79 × 616.94
4. Step 4: Simplify right side
   2,003.63x = 1,854,386.01
5. Step 5: Solve for x
   x = 1,854,386.01/2,003.63
6. Step 6: Final answer
   x = 925.51