Finding the Fourth Proportional to 2,127.36, 2,935.67 and 1,243.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.36 : 2,935.67 = 1,243.25 : x
2. Step 2: Convert to fraction form
   2,127.36/2,935.67 = 1,243.25/x
3. Step 3: Cross multiply
   2,127.36x = 2,935.67 × 1,243.25
4. Step 4: Simplify right side
   2,127.36x = 3,649,750.83
5. Step 5: Solve for x
   x = 3,649,750.83/2,127.36
6. Step 6: Final answer
   x = 1,715.62