Finding the Fourth Proportional to 2,133.27, 2,942.53 and 1,248.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.27 : 2,942.53 = 1,248.75 : x
2. Step 2: Convert to fraction form
   2,133.27/2,942.53 = 1,248.75/x
3. Step 3: Cross multiply
   2,133.27x = 2,942.53 × 1,248.75
4. Step 4: Simplify right side
   2,133.27x = 3,674,481.22
5. Step 5: Solve for x
   x = 3,674,481.22/2,133.27
6. Step 6: Final answer
   x = 1,722.46