Finding the Fourth Proportional to 2,008.22, 3,012.52 and 758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.22 : 3,012.52 = 758.50 : x
2. Step 2: Convert to fraction form
   2,008.22/3,012.52 = 758.50/x
3. Step 3: Cross multiply
   2,008.22x = 3,012.52 × 758.50
4. Step 4: Simplify right side
   2,008.22x = 2,284,996.42
5. Step 5: Solve for x
   x = 2,284,996.42/2,008.22
6. Step 6: Final answer
   x = 1,137.82