Finding the Fourth Proportional to 2,698.61, 3,724.34 and 1,579.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.61 : 3,724.34 = 1,579.48 : x
2. Step 2: Convert to fraction form
   2,698.61/3,724.34 = 1,579.48/x
3. Step 3: Cross multiply
   2,698.61x = 3,724.34 × 1,579.48
4. Step 4: Simplify right side
   2,698.61x = 5,882,503.33
5. Step 5: Solve for x
   x = 5,882,503.33/2,698.61
6. Step 6: Final answer
   x = 2,179.83