Finding the Fourth Proportional to 1,945.86, 2,685.29 and 1,061.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.86 : 2,685.29 = 1,061.73 : x
2. Step 2: Convert to fraction form
   1,945.86/2,685.29 = 1,061.73/x
3. Step 3: Cross multiply
   1,945.86x = 2,685.29 × 1,061.73
4. Step 4: Simplify right side
   1,945.86x = 2,851,047.64
5. Step 5: Solve for x
   x = 2,851,047.64/1,945.86
6. Step 6: Final answer
   x = 1,465.19