Finding the Fourth Proportional to 16,499,458.58, 22,768,910.34 and 9,156,865.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499,458.58 : 22,768,910.34 = 9,156,865.28 : x
2. Step 2: Convert to fraction form
   16,499,458.58/22,768,910.34 = 9,156,865.28/x
3. Step 3: Cross multiply
   16,499,458.58x = 22,768,910.34 × 9,156,865.28
4. Step 4: Simplify right side
   16,499,458.58x = 208,491,844,555,778.97
5. Step 5: Solve for x
   x = 208,491,844,555,778.97/16,499,458.58
6. Step 6: Final answer
   x = 12,636,284.01