Finding the Fourth Proportional to 16,180.64, 22,326.72 and 9,105.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,180.64 : 22,326.72 = 9,105.68 : x
2. Step 2: Convert to fraction form
   16,180.64/22,326.72 = 9,105.68/x
3. Step 3: Cross multiply
   16,180.64x = 22,326.72 × 9,105.68
4. Step 4: Simplify right side
   16,180.64x = 203,299,967.77
5. Step 5: Solve for x
   x = 203,299,967.77/16,180.64
6. Step 6: Final answer
   x = 12,564.40