Finding the Fourth Proportional to 13,185.28, 19,760.71 and 10,053.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,185.28 : 19,760.71 = 10,053.82 : x
2. Step 2: Convert to fraction form
   13,185.28/19,760.71 = 10,053.82/x
3. Step 3: Cross multiply
   13,185.28x = 19,760.71 × 10,053.82
4. Step 4: Simplify right side
   13,185.28x = 198,670,621.41
5. Step 5: Solve for x
   x = 198,670,621.41/13,185.28
6. Step 6: Final answer
   x = 15,067.61