Finding the Fourth Proportional to 2,048.71, 3,073.41 and 816.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.71 : 3,073.41 = 816.15 : x
2. Step 2: Convert to fraction form
   2,048.71/3,073.41 = 816.15/x
3. Step 3: Cross multiply
   2,048.71x = 3,073.41 × 816.15
4. Step 4: Simplify right side
   2,048.71x = 2,508,348.20
5. Step 5: Solve for x
   x = 2,508,348.20/2,048.71
6. Step 6: Final answer
   x = 1,224.35