Finding the Fourth Proportional to 2,222.09, 3,332.45 and 923.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.09 : 3,332.45 = 923.25 : x
2. Step 2: Convert to fraction form
   2,222.09/3,332.45 = 923.25/x
3. Step 3: Cross multiply
   2,222.09x = 3,332.45 × 923.25
4. Step 4: Simplify right side
   2,222.09x = 3,076,684.46
5. Step 5: Solve for x
   x = 3,076,684.46/2,222.09
6. Step 6: Final answer
   x = 1,384.59