Finding the Fourth Proportional to 16,206.76, 22,369.49 and 10,555.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,206.76 : 22,369.49 = 10,555.59 : x
2. Step 2: Convert to fraction form
   16,206.76/22,369.49 = 10,555.59/x
3. Step 3: Cross multiply
   16,206.76x = 22,369.49 × 10,555.59
4. Step 4: Simplify right side
   16,206.76x = 236,123,191.34
5. Step 5: Solve for x
   x = 236,123,191.34/16,206.76
6. Step 6: Final answer
   x = 14,569.43