Finding the Fourth Proportional to 16,104.45, 22,212.89 and 15,562.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,104.45 : 22,212.89 = 15,562.56 : x
2. Step 2: Convert to fraction form
   16,104.45/22,212.89 = 15,562.56/x
3. Step 3: Cross multiply
   16,104.45x = 22,212.89 × 15,562.56
4. Step 4: Simplify right side
   16,104.45x = 345,689,322.33
5. Step 5: Solve for x
   x = 345,689,322.33/16,104.45
6. Step 6: Final answer
   x = 21,465.46