Finding the Fourth Proportional to 2,048.48, 3,073.73 and 1,397.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.48 : 3,073.73 = 1,397.91 : x
2. Step 2: Convert to fraction form
   2,048.48/3,073.73 = 1,397.91/x
3. Step 3: Cross multiply
   2,048.48x = 3,073.73 × 1,397.91
4. Step 4: Simplify right side
   2,048.48x = 4,296,797.90
5. Step 5: Solve for x
   x = 4,296,797.90/2,048.48
6. Step 6: Final answer
   x = 2,097.56