Finding the Fourth Proportional to 1,945.40, 2,684.68 and 1,061.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.40 : 2,684.68 = 1,061.24 : x
2. Step 2: Convert to fraction form
   1,945.40/2,684.68 = 1,061.24/x
3. Step 3: Cross multiply
   1,945.40x = 2,684.68 × 1,061.24
4. Step 4: Simplify right side
   1,945.40x = 2,849,073.73
5. Step 5: Solve for x
   x = 2,849,073.73/1,945.40
6. Step 6: Final answer
   x = 1,464.52