Finding the Fourth Proportional to 16,199.26, 22,284.72 and 13,208.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,199.26 : 22,284.72 = 13,208.56 : x
2. Step 2: Convert to fraction form
   16,199.26/22,284.72 = 13,208.56/x
3. Step 3: Cross multiply
   16,199.26x = 22,284.72 × 13,208.56
4. Step 4: Simplify right side
   16,199.26x = 294,349,061.20
5. Step 5: Solve for x
   x = 294,349,061.20/16,199.26
6. Step 6: Final answer
   x = 18,170.53