Finding the Fourth Proportional to 2,222.69, 3,331.94 and 1,111.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.69 : 3,331.94 = 1,111.41 : x
2. Step 2: Convert to fraction form
   2,222.69/3,331.94 = 1,111.41/x
3. Step 3: Cross multiply
   2,222.69x = 3,331.94 × 1,111.41
4. Step 4: Simplify right side
   2,222.69x = 3,703,154.21
5. Step 5: Solve for x
   x = 3,703,154.21/2,222.69
6. Step 6: Final answer
   x = 1,666.07