Finding the Fourth Proportional to 16,499.07, 22,738.17 and 11,719.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.07 : 22,738.17 = 11,719.20 : x
2. Step 2: Convert to fraction form
   16,499.07/22,738.17 = 11,719.20/x
3. Step 3: Cross multiply
   16,499.07x = 22,738.17 × 11,719.20
4. Step 4: Simplify right side
   16,499.07x = 266,473,161.86
5. Step 5: Solve for x
   x = 266,473,161.86/16,499.07
6. Step 6: Final answer
   x = 16,150.80