Finding the Fourth Proportional to 14,645.86, 21,968.71 and 3,552.55

Step by Step Solution

1. Step 1: Write the proportion equation
   14,645.86 : 21,968.71 = 3,552.55 : x
2. Step 2: Convert to fraction form
   14,645.86/21,968.71 = 3,552.55/x
3. Step 3: Cross multiply
   14,645.86x = 21,968.71 × 3,552.55
4. Step 4: Simplify right side
   14,645.86x = 78,044,940.71
5. Step 5: Solve for x
   x = 78,044,940.71/14,645.86
6. Step 6: Final answer
   x = 5,328.81