Finding the Fourth Proportional to 2,615.14, 3,609.33 and 2,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.14 : 3,609.33 = 2,018.50 : x
2. Step 2: Convert to fraction form
   2,615.14/3,609.33 = 2,018.50/x
3. Step 3: Cross multiply
   2,615.14x = 3,609.33 × 2,018.50
4. Step 4: Simplify right side
   2,615.14x = 7,285,436.31
5. Step 5: Solve for x
   x = 7,285,436.31/2,615.14
6. Step 6: Final answer
   x = 2,785.86