Finding the Fourth Proportional to 16,499,462.08, 22,768,915.17 and 9,156,868.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499,462.08 : 22,768,915.17 = 9,156,868.78 : x
2. Step 2: Convert to fraction form
   16,499,462.08/22,768,915.17 = 9,156,868.78/x
3. Step 3: Cross multiply
   16,499,462.08x = 22,768,915.17 × 9,156,868.78
4. Step 4: Simplify right side
   16,499,462.08x = 208,491,968,474,641.41
5. Step 5: Solve for x
   x = 208,491,968,474,641.41/16,499,462.08
6. Step 6: Final answer
   x = 12,636,288.84