Finding the Fourth Proportional to 2,404.96, 3,319.36 and 1,520.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.96 : 3,319.36 = 1,520.20 : x
2. Step 2: Convert to fraction form
   2,404.96/3,319.36 = 1,520.20/x
3. Step 3: Cross multiply
   2,404.96x = 3,319.36 × 1,520.20
4. Step 4: Simplify right side
   2,404.96x = 5,046,091.07
5. Step 5: Solve for x
   x = 5,046,091.07/2,404.96
6. Step 6: Final answer
   x = 2,098.20