Finding the Fourth Proportional to 1,817.49, 2,510.18 and 1,227

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817.49 : 2,510.18 = 1,227 : x
2. Step 2: Convert to fraction form
   1,817.49/2,510.18 = 1,227/x
3. Step 3: Cross multiply
   1,817.49x = 2,510.18 × 1,227
4. Step 4: Simplify right side
   1,817.49x = 3,079,990.86
5. Step 5: Solve for x
   x = 3,079,990.86/1,817.49
6. Step 6: Final answer
   x = 1,694.64