Finding the Fourth Proportional to 1,946.50, 2,685.59 and 1,149.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.50 : 2,685.59 = 1,149.90 : x
2. Step 2: Convert to fraction form
   1,946.50/2,685.59 = 1,149.90/x
3. Step 3: Cross multiply
   1,946.50x = 2,685.59 × 1,149.90
4. Step 4: Simplify right side
   1,946.50x = 3,088,159.94
5. Step 5: Solve for x
   x = 3,088,159.94/1,946.50
6. Step 6: Final answer
   x = 1,586.52