Finding the Fourth Proportional to 16,209.69, 22,373.60 and 10,559.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,209.69 : 22,373.60 = 10,559.94 : x
2. Step 2: Convert to fraction form
   16,209.69/22,373.60 = 10,559.94/x
3. Step 3: Cross multiply
   16,209.69x = 22,373.60 × 10,559.94
4. Step 4: Simplify right side
   16,209.69x = 236,263,873.58
5. Step 5: Solve for x
   x = 236,263,873.58/16,209.69
6. Step 6: Final answer
   x = 14,575.47