Finding the Fourth Proportional to 2,212.34, 3,052.86 and 1,268.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.34 : 3,052.86 = 1,268.12 : x
2. Step 2: Convert to fraction form
   2,212.34/3,052.86 = 1,268.12/x
3. Step 3: Cross multiply
   2,212.34x = 3,052.86 × 1,268.12
4. Step 4: Simplify right side
   2,212.34x = 3,871,392.82
5. Step 5: Solve for x
   x = 3,871,392.82/2,212.34
6. Step 6: Final answer
   x = 1,749.91