Finding the Fourth Proportional to 1,966.43, 2,713.89 and 1,127.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,966.43 : 2,713.89 = 1,127.18 : x
2. Step 2: Convert to fraction form
   1,966.43/2,713.89 = 1,127.18/x
3. Step 3: Cross multiply
   1,966.43x = 2,713.89 × 1,127.18
4. Step 4: Simplify right side
   1,966.43x = 3,059,042.53
5. Step 5: Solve for x
   x = 3,059,042.53/1,966.43
6. Step 6: Final answer
   x = 1,555.63