Finding the Fourth Proportional to 2,049.66, 3,072.33 and 1,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.66 : 3,072.33 = 1,021.50 : x
2. Step 2: Convert to fraction form
   2,049.66/3,072.33 = 1,021.50/x
3. Step 3: Cross multiply
   2,049.66x = 3,072.33 × 1,021.50
4. Step 4: Simplify right side
   2,049.66x = 3,138,385.10
5. Step 5: Solve for x
   x = 3,138,385.10/2,049.66
6. Step 6: Final answer
   x = 1,531.17