Finding the Fourth Proportional to 16,499,451.21, 22,768,900.16 and 9,156,857.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499,451.21 : 22,768,900.16 = 9,156,857.91 : x
2. Step 2: Convert to fraction form
   16,499,451.21/22,768,900.16 = 9,156,857.91/x
3. Step 3: Cross multiply
   16,499,451.21x = 22,768,900.16 × 9,156,857.91
4. Step 4: Simplify right side
   16,499,451.21x = 208,491,583,532,096.28
5. Step 5: Solve for x
   x = 208,491,583,532,096.28/16,499,451.21
6. Step 6: Final answer
   x = 12,636,273.83