Finding the Fourth Proportional to 2,132.37, 2,942.73 and 1,248.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.37 : 2,942.73 = 1,248.21 : x
2. Step 2: Convert to fraction form
   2,132.37/2,942.73 = 1,248.21/x
3. Step 3: Cross multiply
   2,132.37x = 2,942.73 × 1,248.21
4. Step 4: Simplify right side
   2,132.37x = 3,673,145.01
5. Step 5: Solve for x
   x = 3,673,145.01/2,132.37
6. Step 6: Final answer
   x = 1,722.56