Finding the Fourth Proportional to 10,791.50, 16,194.53 and 4,216.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,791.50 : 16,194.53 = 4,216.86 : x
2. Step 2: Convert to fraction form
   10,791.50/16,194.53 = 4,216.86/x
3. Step 3: Cross multiply
   10,791.50x = 16,194.53 × 4,216.86
4. Step 4: Simplify right side
   10,791.50x = 68,290,076.32
5. Step 5: Solve for x
   x = 68,290,076.32/10,791.50
6. Step 6: Final answer
   x = 6,328.14