Finding the Fourth Proportional to 16,630.74, 22,950.84 and 9,917.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,630.74 : 22,950.84 = 9,917.68 : x
2. Step 2: Convert to fraction form
   16,630.74/22,950.84 = 9,917.68/x
3. Step 3: Cross multiply
   16,630.74x = 22,950.84 × 9,917.68
4. Step 4: Simplify right side
   16,630.74x = 227,619,086.85
5. Step 5: Solve for x
   x = 227,619,086.85/16,630.74
6. Step 6: Final answer
   x = 13,686.65