Finding the Fourth Proportional to 3,605.52, 4,974.76 and 2,189.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605.52 : 4,974.76 = 2,189.15 : x
2. Step 2: Convert to fraction form
   3,605.52/4,974.76 = 2,189.15/x
3. Step 3: Cross multiply
   3,605.52x = 4,974.76 × 2,189.15
4. Step 4: Simplify right side
   3,605.52x = 10,890,495.85
5. Step 5: Solve for x
   x = 10,890,495.85/3,605.52
6. Step 6: Final answer
   x = 3,020.51