Finding the Fourth Proportional to 1,946.37, 2,685.27 and 1,248.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.37 : 2,685.27 = 1,248.15 : x
2. Step 2: Convert to fraction form
   1,946.37/2,685.27 = 1,248.15/x
3. Step 3: Cross multiply
   1,946.37x = 2,685.27 × 1,248.15
4. Step 4: Simplify right side
   1,946.37x = 3,351,619.75
5. Step 5: Solve for x
   x = 3,351,619.75/1,946.37
6. Step 6: Final answer
   x = 1,721.98