Finding the Fourth Proportional to 10,698.72, 16,048.56 and 3,679.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,698.72 : 16,048.56 = 3,679.44 : x
2. Step 2: Convert to fraction form
   10,698.72/16,048.56 = 3,679.44/x
3. Step 3: Cross multiply
   10,698.72x = 16,048.56 × 3,679.44
4. Step 4: Simplify right side
   10,698.72x = 59,049,713.61
5. Step 5: Solve for x
   x = 59,049,713.61/10,698.72
6. Step 6: Final answer
   x = 5,519.33