Finding the Fourth Proportional to 2,222.88, 3,062.08 and 1,890.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.88 : 3,062.08 = 1,890.24 : x
2. Step 2: Convert to fraction form
   2,222.88/3,062.08 = 1,890.24/x
3. Step 3: Cross multiply
   2,222.88x = 3,062.08 × 1,890.24
4. Step 4: Simplify right side
   2,222.88x = 5,788,066.10
5. Step 5: Solve for x
   x = 5,788,066.10/2,222.88
6. Step 6: Final answer
   x = 2,603.86