Finding the Fourth Proportional to 2,092.07, 2,888.12 and 1,618.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.07 : 2,888.12 = 1,618.89 : x
2. Step 2: Convert to fraction form
   2,092.07/2,888.12 = 1,618.89/x
3. Step 3: Cross multiply
   2,092.07x = 2,888.12 × 1,618.89
4. Step 4: Simplify right side
   2,092.07x = 4,675,540.49
5. Step 5: Solve for x
   x = 4,675,540.49/2,092.07
6. Step 6: Final answer
   x = 2,234.89