Finding the Fourth Proportional to 2,404.70, 3,318.58 and 1,520.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.70 : 3,318.58 = 1,520.18 : x
2. Step 2: Convert to fraction form
   2,404.70/3,318.58 = 1,520.18/x
3. Step 3: Cross multiply
   2,404.70x = 3,318.58 × 1,520.18
4. Step 4: Simplify right side
   2,404.70x = 5,044,838.94
5. Step 5: Solve for x
   x = 5,044,838.94/2,404.70
6. Step 6: Final answer
   x = 2,097.91