Finding the Fourth Proportional to 1,945.92, 2,685.43 and 1,061.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.92 : 2,685.43 = 1,061.77 : x
2. Step 2: Convert to fraction form
   1,945.92/2,685.43 = 1,061.77/x
3. Step 3: Cross multiply
   1,945.92x = 2,685.43 × 1,061.77
4. Step 4: Simplify right side
   1,945.92x = 2,851,309.01
5. Step 5: Solve for x
   x = 2,851,309.01/1,945.92
6. Step 6: Final answer
   x = 1,465.28