Finding the Fourth Proportional to 2,212.12, 3,314.82 and 1,056.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.12 : 3,314.82 = 1,056.28 : x
2. Step 2: Convert to fraction form
   2,212.12/3,314.82 = 1,056.28/x
3. Step 3: Cross multiply
   2,212.12x = 3,314.82 × 1,056.28
4. Step 4: Simplify right side
   2,212.12x = 3,501,378.07
5. Step 5: Solve for x
   x = 3,501,378.07/2,212.12
6. Step 6: Final answer
   x = 1,582.82