Finding the Fourth Proportional to 16,783.74, 23,162.69 and 11,108.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.74 : 23,162.69 = 11,108.71 : x
2. Step 2: Convert to fraction form
   16,783.74/23,162.69 = 11,108.71/x
3. Step 3: Cross multiply
   16,783.74x = 23,162.69 × 11,108.71
4. Step 4: Simplify right side
   16,783.74x = 257,307,662.76
5. Step 5: Solve for x
   x = 257,307,662.76/16,783.74
6. Step 6: Final answer
   x = 15,330.77