Finding the Fourth Proportional to 11,072.86, 16,611.43 and 3,578.44

Step by Step Solution

1. Step 1: Write the proportion equation
   11,072.86 : 16,611.43 = 3,578.44 : x
2. Step 2: Convert to fraction form
   11,072.86/16,611.43 = 3,578.44/x
3. Step 3: Cross multiply
   11,072.86x = 16,611.43 × 3,578.44
4. Step 4: Simplify right side
   11,072.86x = 59,442,946.23
5. Step 5: Solve for x
   x = 59,442,946.23/11,072.86
6. Step 6: Final answer
   x = 5,368.35