Finding the Fourth Proportional to 1,945.87, 2,685.32 and 1,061.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.87 : 2,685.32 = 1,061.68 : x
2. Step 2: Convert to fraction form
   1,945.87/2,685.32 = 1,061.68/x
3. Step 3: Cross multiply
   1,945.87x = 2,685.32 × 1,061.68
4. Step 4: Simplify right side
   1,945.87x = 2,850,945.23
5. Step 5: Solve for x
   x = 2,850,945.23/1,945.87
6. Step 6: Final answer
   x = 1,465.13