Finding the Fourth Proportional to 2,212.48, 3,052.76 and 1,426.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.48 : 3,052.76 = 1,426.40 : x
2. Step 2: Convert to fraction form
   2,212.48/3,052.76 = 1,426.40/x
3. Step 3: Cross multiply
   2,212.48x = 3,052.76 × 1,426.40
4. Step 4: Simplify right side
   2,212.48x = 4,354,456.86
5. Step 5: Solve for x
   x = 4,354,456.86/2,212.48
6. Step 6: Final answer
   x = 1,968.13