Finding the Fourth Proportional to 2,222.16, 3,333.30 and 923.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.16 : 3,333.30 = 923.73 : x
2. Step 2: Convert to fraction form
   2,222.16/3,333.30 = 923.73/x
3. Step 3: Cross multiply
   2,222.16x = 3,333.30 × 923.73
4. Step 4: Simplify right side
   2,222.16x = 3,079,069.21
5. Step 5: Solve for x
   x = 3,079,069.21/2,222.16
6. Step 6: Final answer
   x = 1,385.62