Finding the Fourth Proportional to 16,191.77, 22,198.89 and 15,896.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,191.77 : 22,198.89 = 15,896.52 : x
2. Step 2: Convert to fraction form
   16,191.77/22,198.89 = 15,896.52/x
3. Step 3: Cross multiply
   16,191.77x = 22,198.89 × 15,896.52
4. Step 4: Simplify right side
   16,191.77x = 352,885,158.47
5. Step 5: Solve for x
   x = 352,885,158.47/16,191.77
6. Step 6: Final answer
   x = 21,794.11