Finding the Fourth Proportional to 14,578.69, 21,862.67 and 5,216.17

Step by Step Solution

1. Step 1: Write the proportion equation
   14,578.69 : 21,862.67 = 5,216.17 : x
2. Step 2: Convert to fraction form
   14,578.69/21,862.67 = 5,216.17/x
3. Step 3: Cross multiply
   14,578.69x = 21,862.67 × 5,216.17
4. Step 4: Simplify right side
   14,578.69x = 114,039,403.37
5. Step 5: Solve for x
   x = 114,039,403.37/14,578.69
6. Step 6: Final answer
   x = 7,822.34