Finding the Fourth Proportional to 2,212.56, 3,052.80 and 1,426.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.56 : 3,052.80 = 1,426.46 : x
2. Step 2: Convert to fraction form
   2,212.56/3,052.80 = 1,426.46/x
3. Step 3: Cross multiply
   2,212.56x = 3,052.80 × 1,426.46
4. Step 4: Simplify right side
   2,212.56x = 4,354,681.82
5. Step 5: Solve for x
   x = 4,354,681.82/2,212.56
6. Step 6: Final answer
   x = 1,968.16