Finding the Fourth Proportional to 16,499.39, 22,769.61 and 9,330.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.39 : 22,769.61 = 9,330.38 : x
2. Step 2: Convert to fraction form
   16,499.39/22,769.61 = 9,330.38/x
3. Step 3: Cross multiply
   16,499.39x = 22,769.61 × 9,330.38
4. Step 4: Simplify right side
   16,499.39x = 212,449,113.75
5. Step 5: Solve for x
   x = 212,449,113.75/16,499.39
6. Step 6: Final answer
   x = 12,876.18