Finding the Fourth Proportional to 2,005.50, 3,008.16 and 835.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.50 : 3,008.16 = 835.02 : x
2. Step 2: Convert to fraction form
   2,005.50/3,008.16 = 835.02/x
3. Step 3: Cross multiply
   2,005.50x = 3,008.16 × 835.02
4. Step 4: Simplify right side
   2,005.50x = 2,511,873.76
5. Step 5: Solve for x
   x = 2,511,873.76/2,005.50
6. Step 6: Final answer
   x = 1,252.49