Finding the Fourth Proportional to 2,219.89, 3,059.76 and 1,589.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.89 : 3,059.76 = 1,589.42 : x
2. Step 2: Convert to fraction form
   2,219.89/3,059.76 = 1,589.42/x
3. Step 3: Cross multiply
   2,219.89x = 3,059.76 × 1,589.42
4. Step 4: Simplify right side
   2,219.89x = 4,863,243.74
5. Step 5: Solve for x
   x = 4,863,243.74/2,219.89
6. Step 6: Final answer
   x = 2,190.76