Finding the Fourth Proportional to 2,188.89, 3,041.67 and 2,166.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.89 : 3,041.67 = 2,166.42 : x
2. Step 2: Convert to fraction form
   2,188.89/3,041.67 = 2,166.42/x
3. Step 3: Cross multiply
   2,188.89x = 3,041.67 × 2,166.42
4. Step 4: Simplify right side
   2,188.89x = 6,589,534.72
5. Step 5: Solve for x
   x = 6,589,534.72/2,188.89
6. Step 6: Final answer
   x = 3,010.45