Finding the Fourth Proportional to 2,003.63, 3,005.83 and 616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.63 : 3,005.83 = 616.72 : x
2. Step 2: Convert to fraction form
   2,003.63/3,005.83 = 616.72/x
3. Step 3: Cross multiply
   2,003.63x = 3,005.83 × 616.72
4. Step 4: Simplify right side
   2,003.63x = 1,853,746.42
5. Step 5: Solve for x
   x = 1,853,746.42/2,003.63
6. Step 6: Final answer
   x = 925.20