Finding the Fourth Proportional to 16,507.08, 22,779.41 and 9,336.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,507.08 : 22,779.41 = 9,336.05 : x
2. Step 2: Convert to fraction form
   16,507.08/22,779.41 = 9,336.05/x
3. Step 3: Cross multiply
   16,507.08x = 22,779.41 × 9,336.05
4. Step 4: Simplify right side
   16,507.08x = 212,669,550.15
5. Step 5: Solve for x
   x = 212,669,550.15/16,507.08
6. Step 6: Final answer
   x = 12,883.54