Finding the Fourth Proportional to 16,181.91, 22,328.06 and 9,106.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,181.91 : 22,328.06 = 9,106.83 : x
2. Step 2: Convert to fraction form
   16,181.91/22,328.06 = 9,106.83/x
3. Step 3: Cross multiply
   16,181.91x = 22,328.06 × 9,106.83
4. Step 4: Simplify right side
   16,181.91x = 203,337,801.12
5. Step 5: Solve for x
   x = 203,337,801.12/16,181.91
6. Step 6: Final answer
   x = 12,565.75