Finding the Fourth Proportional to 2,003.50, 3,005.73 and 635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.50 : 3,005.73 = 635.50 : x
2. Step 2: Convert to fraction form
   2,003.50/3,005.73 = 635.50/x
3. Step 3: Cross multiply
   2,003.50x = 3,005.73 × 635.50
4. Step 4: Simplify right side
   2,003.50x = 1,910,141.42
5. Step 5: Solve for x
   x = 1,910,141.42/2,003.50
6. Step 6: Final answer
   x = 953.40