Finding the Fourth Proportional to 16,239.59, 22,411.64 and 9,069.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,239.59 : 22,411.64 = 9,069.52 : x
2. Step 2: Convert to fraction form
   16,239.59/22,411.64 = 9,069.52/x
3. Step 3: Cross multiply
   16,239.59x = 22,411.64 × 9,069.52
4. Step 4: Simplify right side
   16,239.59x = 203,262,774.86
5. Step 5: Solve for x
   x = 203,262,774.86/16,239.59
6. Step 6: Final answer
   x = 12,516.50