Finding the Fourth Proportional to 2,404.26, 3,318.50 and 1,520.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.26 : 3,318.50 = 1,520.55 : x
2. Step 2: Convert to fraction form
   2,404.26/3,318.50 = 1,520.55/x
3. Step 3: Cross multiply
   2,404.26x = 3,318.50 × 1,520.55
4. Step 4: Simplify right side
   2,404.26x = 5,045,945.18
5. Step 5: Solve for x
   x = 5,045,945.18/2,404.26
6. Step 6: Final answer
   x = 2,098.75