Finding the Fourth Proportional to 16,429.28, 22,672.86 and 10,055.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,429.28 : 22,672.86 = 10,055.75 : x
2. Step 2: Convert to fraction form
   16,429.28/22,672.86 = 10,055.75/x
3. Step 3: Cross multiply
   16,429.28x = 22,672.86 × 10,055.75
4. Step 4: Simplify right side
   16,429.28x = 227,992,517.44
5. Step 5: Solve for x
   x = 227,992,517.44/16,429.28
6. Step 6: Final answer
   x = 13,877.21