Finding the Fourth Proportional to 10,600.76, 15,890.06 and 3,578.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,600.76 : 15,890.06 = 3,578.34 : x
2. Step 2: Convert to fraction form
   10,600.76/15,890.06 = 3,578.34/x
3. Step 3: Cross multiply
   10,600.76x = 15,890.06 × 3,578.34
4. Step 4: Simplify right side
   10,600.76x = 56,860,019.41
5. Step 5: Solve for x
   x = 56,860,019.41/10,600.76
6. Step 6: Final answer
   x = 5,363.77