Finding the Fourth Proportional to 11,827.47, 16,322.72 and 6,859.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,827.47 : 16,322.72 = 6,859.47 : x
2. Step 2: Convert to fraction form
   11,827.47/16,322.72 = 6,859.47/x
3. Step 3: Cross multiply
   11,827.47x = 16,322.72 × 6,859.47
4. Step 4: Simplify right side
   11,827.47x = 111,965,173.86
5. Step 5: Solve for x
   x = 111,965,173.86/11,827.47
6. Step 6: Final answer
   x = 9,466.54