Finding the Fourth Proportional to 1,946.39, 2,685.96 and 1,062.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.39 : 2,685.96 = 1,062.20 : x
2. Step 2: Convert to fraction form
   1,946.39/2,685.96 = 1,062.20/x
3. Step 3: Cross multiply
   1,946.39x = 2,685.96 × 1,062.20
4. Step 4: Simplify right side
   1,946.39x = 2,853,033.43
5. Step 5: Solve for x
   x = 2,853,033.43/1,946.39
6. Step 6: Final answer
   x = 1,465.81