Finding the Fourth Proportional to 2,203.56, 3,303.72 and 1,050.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203.56 : 3,303.72 = 1,050.12 : x
2. Step 2: Convert to fraction form
   2,203.56/3,303.72 = 1,050.12/x
3. Step 3: Cross multiply
   2,203.56x = 3,303.72 × 1,050.12
4. Step 4: Simplify right side
   2,203.56x = 3,469,302.45
5. Step 5: Solve for x
   x = 3,469,302.45/2,203.56
6. Step 6: Final answer
   x = 1,574.41