Finding the Fourth Proportional to 2,222.71, 3,331.85 and 1,050.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.71 : 3,331.85 = 1,050.63 : x
2. Step 2: Convert to fraction form
   2,222.71/3,331.85 = 1,050.63/x
3. Step 3: Cross multiply
   2,222.71x = 3,331.85 × 1,050.63
4. Step 4: Simplify right side
   2,222.71x = 3,500,541.57
5. Step 5: Solve for x
   x = 3,500,541.57/2,222.71
6. Step 6: Final answer
   x = 1,574.90