Finding the Fourth Proportional to 11,055.41, 16,568.30 and 5,424.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,055.41 : 16,568.30 = 5,424.47 : x
2. Step 2: Convert to fraction form
   11,055.41/16,568.30 = 5,424.47/x
3. Step 3: Cross multiply
   11,055.41x = 16,568.30 × 5,424.47
4. Step 4: Simplify right side
   11,055.41x = 89,874,136.34
5. Step 5: Solve for x
   x = 89,874,136.34/11,055.41
6. Step 6: Final answer
   x = 8,129.43