Finding the Fourth Proportional to 16,255.69, 22,432.88 and 9,181.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,255.69 : 22,432.88 = 9,181.96 : x
2. Step 2: Convert to fraction form
   16,255.69/22,432.88 = 9,181.96/x
3. Step 3: Cross multiply
   16,255.69x = 22,432.88 × 9,181.96
4. Step 4: Simplify right side
   16,255.69x = 205,977,773.72
5. Step 5: Solve for x
   x = 205,977,773.72/16,255.69
6. Step 6: Final answer
   x = 12,671.12