Finding the Fourth Proportional to 1,946.36, 2,685.98 and 1,149.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.36 : 2,685.98 = 1,149.72 : x
2. Step 2: Convert to fraction form
   1,946.36/2,685.98 = 1,149.72/x
3. Step 3: Cross multiply
   1,946.36x = 2,685.98 × 1,149.72
4. Step 4: Simplify right side
   1,946.36x = 3,088,124.93
5. Step 5: Solve for x
   x = 3,088,124.93/1,946.36
6. Step 6: Final answer
   x = 1,586.62