Finding the Fourth Proportional to 12,698.73, 19,050.48 and 5,679.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698.73 : 19,050.48 = 5,679.02 : x
2. Step 2: Convert to fraction form
   12,698.73/19,050.48 = 5,679.02/x
3. Step 3: Cross multiply
   12,698.73x = 19,050.48 × 5,679.02
4. Step 4: Simplify right side
   12,698.73x = 108,188,104.56
5. Step 5: Solve for x
   x = 108,188,104.56/12,698.73
6. Step 6: Final answer
   x = 8,519.60