Finding the Fourth Proportional to 2,013.59, 3,020.37 and 1,324.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.59 : 3,020.37 = 1,324.61 : x
2. Step 2: Convert to fraction form
   2,013.59/3,020.37 = 1,324.61/x
3. Step 3: Cross multiply
   2,013.59x = 3,020.37 × 1,324.61
4. Step 4: Simplify right side
   2,013.59x = 4,000,812.31
5. Step 5: Solve for x
   x = 4,000,812.31/2,013.59
6. Step 6: Final answer
   x = 1,986.91