Finding the Fourth Proportional to 2,048.37, 3,073.01 and 815.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.37 : 3,073.01 = 815.83 : x
2. Step 2: Convert to fraction form
   2,048.37/3,073.01 = 815.83/x
3. Step 3: Cross multiply
   2,048.37x = 3,073.01 × 815.83
4. Step 4: Simplify right side
   2,048.37x = 2,507,053.75
5. Step 5: Solve for x
   x = 2,507,053.75/2,048.37
6. Step 6: Final answer
   x = 1,223.93