Finding the Fourth Proportional to 2,945.31, 4,061.52 and 1,950.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.31 : 4,061.52 = 1,950.23 : x
2. Step 2: Convert to fraction form
   2,945.31/4,061.52 = 1,950.23/x
3. Step 3: Cross multiply
   2,945.31x = 4,061.52 × 1,950.23
4. Step 4: Simplify right side
   2,945.31x = 7,920,879.97
5. Step 5: Solve for x
   x = 7,920,879.97/2,945.31
6. Step 6: Final answer
   x = 2,689.32