Finding the Fourth Proportional to 16,162.05, 22,303.47 and 8,991.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,162.05 : 22,303.47 = 8,991.93 : x
2. Step 2: Convert to fraction form
   16,162.05/22,303.47 = 8,991.93/x
3. Step 3: Cross multiply
   16,162.05x = 22,303.47 × 8,991.93
4. Step 4: Simplify right side
   16,162.05x = 200,551,241.00
5. Step 5: Solve for x
   x = 200,551,241.00/16,162.05
6. Step 6: Final answer
   x = 12,408.77