Finding the Fourth Proportional to 2,071.73, 3,105.74 and 755.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.73 : 3,105.74 = 755.23 : x
2. Step 2: Convert to fraction form
   2,071.73/3,105.74 = 755.23/x
3. Step 3: Cross multiply
   2,071.73x = 3,105.74 × 755.23
4. Step 4: Simplify right side
   2,071.73x = 2,345,542.14
5. Step 5: Solve for x
   x = 2,345,542.14/2,071.73
6. Step 6: Final answer
   x = 1,132.17