Finding the Fourth Proportional to 1,966.73, 2,712.69 and 1,293.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,966.73 : 2,712.69 = 1,293.72 : x
2. Step 2: Convert to fraction form
   1,966.73/2,712.69 = 1,293.72/x
3. Step 3: Cross multiply
   1,966.73x = 2,712.69 × 1,293.72
4. Step 4: Simplify right side
   1,966.73x = 3,509,466.39
5. Step 5: Solve for x
   x = 3,509,466.39/1,966.73
6. Step 6: Final answer
   x = 1,784.42