Finding the Fourth Proportional to 14,499.87, 20,009.82 and 8,212.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.87 : 20,009.82 = 8,212.25 : x
2. Step 2: Convert to fraction form
   14,499.87/20,009.82 = 8,212.25/x
3. Step 3: Cross multiply
   14,499.87x = 20,009.82 × 8,212.25
4. Step 4: Simplify right side
   14,499.87x = 164,325,513.45
5. Step 5: Solve for x
   x = 164,325,513.45/14,499.87
6. Step 6: Final answer
   x = 11,332.90