Finding the Fourth Proportional to 16,507.32, 22,779.82 and 9,055.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,507.32 : 22,779.82 = 9,055.16 : x
2. Step 2: Convert to fraction form
   16,507.32/22,779.82 = 9,055.16/x
3. Step 3: Cross multiply
   16,507.32x = 22,779.82 × 9,055.16
4. Step 4: Simplify right side
   16,507.32x = 206,274,914.87
5. Step 5: Solve for x
   x = 206,274,914.87/16,507.32
6. Step 6: Final answer
   x = 12,495.97