Finding the Fourth Proportional to 13,717.69, 18,932.42 and 8,055.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,717.69 : 18,932.42 = 8,055.54 : x
2. Step 2: Convert to fraction form
   13,717.69/18,932.42 = 8,055.54/x
3. Step 3: Cross multiply
   13,717.69x = 18,932.42 × 8,055.54
4. Step 4: Simplify right side
   13,717.69x = 152,510,819.28
5. Step 5: Solve for x
   x = 152,510,819.28/13,717.69
6. Step 6: Final answer
   x = 11,117.82