Finding the Fourth Proportional to 16,658.98, 22,987.17 and 10,698.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,658.98 : 22,987.17 = 10,698.72 : x
2. Step 2: Convert to fraction form
   16,658.98/22,987.17 = 10,698.72/x
3. Step 3: Cross multiply
   16,658.98x = 22,987.17 × 10,698.72
4. Step 4: Simplify right side
   16,658.98x = 245,933,295.42
5. Step 5: Solve for x
   x = 245,933,295.42/16,658.98
6. Step 6: Final answer
   x = 14,762.81