Finding the Fourth Proportional to 16,402.94, 22,634.02 and 9,231.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402.94 : 22,634.02 = 9,231.98 : x
2. Step 2: Convert to fraction form
   16,402.94/22,634.02 = 9,231.98/x
3. Step 3: Cross multiply
   16,402.94x = 22,634.02 × 9,231.98
4. Step 4: Simplify right side
   16,402.94x = 208,956,819.96
5. Step 5: Solve for x
   x = 208,956,819.96/16,402.94
6. Step 6: Final answer
   x = 12,738.99