Finding the Fourth Proportional to 2,127.50, 2,935.73 and 1,243.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.50 : 2,935.73 = 1,243.19 : x
2. Step 2: Convert to fraction form
   2,127.50/2,935.73 = 1,243.19/x
3. Step 3: Cross multiply
   2,127.50x = 2,935.73 × 1,243.19
4. Step 4: Simplify right side
   2,127.50x = 3,649,649.28
5. Step 5: Solve for x
   x = 3,649,649.28/2,127.50
6. Step 6: Final answer
   x = 1,715.47