Finding the Fourth Proportional to 16,434.50, 24,655.39 and 7,664.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,434.50 : 24,655.39 = 7,664.63 : x
2. Step 2: Convert to fraction form
   16,434.50/24,655.39 = 7,664.63/x
3. Step 3: Cross multiply
   16,434.50x = 24,655.39 × 7,664.63
4. Step 4: Simplify right side
   16,434.50x = 188,974,299.42
5. Step 5: Solve for x
   x = 188,974,299.42/16,434.50
6. Step 6: Final answer
   x = 11,498.64