Finding the Fourth Proportional to 2,212.04, 3,313.27 and 1,040.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.04 : 3,313.27 = 1,040.29 : x
2. Step 2: Convert to fraction form
   2,212.04/3,313.27 = 1,040.29/x
3. Step 3: Cross multiply
   2,212.04x = 3,313.27 × 1,040.29
4. Step 4: Simplify right side
   2,212.04x = 3,446,757.59
5. Step 5: Solve for x
   x = 3,446,757.59/2,212.04
6. Step 6: Final answer
   x = 1,558.18