Finding the Fourth Proportional to 2,127.12, 2,935.34 and 1,243.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.12 : 2,935.34 = 1,243.02 : x
2. Step 2: Convert to fraction form
   2,127.12/2,935.34 = 1,243.02/x
3. Step 3: Cross multiply
   2,127.12x = 2,935.34 × 1,243.02
4. Step 4: Simplify right side
   2,127.12x = 3,648,686.33
5. Step 5: Solve for x
   x = 3,648,686.33/2,127.12
6. Step 6: Final answer
   x = 1,715.32