Finding the Fourth Proportional to 2,003.55, 3,005.46 and 617.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.55 : 3,005.46 = 617.01 : x
2. Step 2: Convert to fraction form
   2,003.55/3,005.46 = 617.01/x
3. Step 3: Cross multiply
   2,003.55x = 3,005.46 × 617.01
4. Step 4: Simplify right side
   2,003.55x = 1,854,398.87
5. Step 5: Solve for x
   x = 1,854,398.87/2,003.55
6. Step 6: Final answer
   x = 925.56