Finding the Fourth Proportional to 13,029.14, 19,499.79 and 8,081.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,029.14 : 19,499.79 = 8,081.78 : x
2. Step 2: Convert to fraction form
   13,029.14/19,499.79 = 8,081.78/x
3. Step 3: Cross multiply
   13,029.14x = 19,499.79 × 8,081.78
4. Step 4: Simplify right side
   13,029.14x = 157,593,012.83
5. Step 5: Solve for x
   x = 157,593,012.83/13,029.14
6. Step 6: Final answer
   x = 12,095.43