Finding the Fourth Proportional to 16,659.74, 22,990.72 and 9,944.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,659.74 : 22,990.72 = 9,944.06 : x
2. Step 2: Convert to fraction form
   16,659.74/22,990.72 = 9,944.06/x
3. Step 3: Cross multiply
   16,659.74x = 22,990.72 × 9,944.06
4. Step 4: Simplify right side
   16,659.74x = 228,621,099.12
5. Step 5: Solve for x
   x = 228,621,099.12/16,659.74
6. Step 6: Final answer
   x = 13,722.97