Finding the Fourth Proportional to 2,222.52, 3,332.52 and 923.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.52 : 3,332.52 = 923.28 : x
2. Step 2: Convert to fraction form
   2,222.52/3,332.52 = 923.28/x
3. Step 3: Cross multiply
   2,222.52x = 3,332.52 × 923.28
4. Step 4: Simplify right side
   2,222.52x = 3,076,849.07
5. Step 5: Solve for x
   x = 3,076,849.07/2,222.52
6. Step 6: Final answer
   x = 1,384.40