Finding the Fourth Proportional to 2,698.82, 3,724.20 and 1,520.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.82 : 3,724.20 = 1,520.06 : x
2. Step 2: Convert to fraction form
   2,698.82/3,724.20 = 1,520.06/x
3. Step 3: Cross multiply
   2,698.82x = 3,724.20 × 1,520.06
4. Step 4: Simplify right side
   2,698.82x = 5,661,007.45
5. Step 5: Solve for x
   x = 5,661,007.45/2,698.82
6. Step 6: Final answer
   x = 2,097.59