Finding the Fourth Proportional to 2,127.73, 2,936.25 and 1,243.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.73 : 2,936.25 = 1,243.35 : x
2. Step 2: Convert to fraction form
   2,127.73/2,936.25 = 1,243.35/x
3. Step 3: Cross multiply
   2,127.73x = 2,936.25 × 1,243.35
4. Step 4: Simplify right side
   2,127.73x = 3,650,794.77
5. Step 5: Solve for x
   x = 3,650,794.77/2,127.73
6. Step 6: Final answer
   x = 1,715.82