Finding the Fourth Proportional to 1,945.94, 2,685.36 and 1,061.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.94 : 2,685.36 = 1,061.74 : x
2. Step 2: Convert to fraction form
   1,945.94/2,685.36 = 1,061.74/x
3. Step 3: Cross multiply
   1,945.94x = 2,685.36 × 1,061.74
4. Step 4: Simplify right side
   1,945.94x = 2,851,154.13
5. Step 5: Solve for x
   x = 2,851,154.13/1,945.94
6. Step 6: Final answer
   x = 1,465.18