Finding the Fourth Proportional to 2,003.91, 3,006.54 and 617.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.91 : 3,006.54 = 617.19 : x
2. Step 2: Convert to fraction form
   2,003.91/3,006.54 = 617.19/x
3. Step 3: Cross multiply
   2,003.91x = 3,006.54 × 617.19
4. Step 4: Simplify right side
   2,003.91x = 1,855,606.42
5. Step 5: Solve for x
   x = 1,855,606.42/2,003.91
6. Step 6: Final answer
   x = 925.99