Finding the Fourth Proportional to 9,791.06, 14,684.76 and 3,216.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,791.06 : 14,684.76 = 3,216.39 : x
2. Step 2: Convert to fraction form
   9,791.06/14,684.76 = 3,216.39/x
3. Step 3: Cross multiply
   9,791.06x = 14,684.76 × 3,216.39
4. Step 4: Simplify right side
   9,791.06x = 47,231,915.22
5. Step 5: Solve for x
   x = 47,231,915.22/9,791.06
6. Step 6: Final answer
   x = 4,823.99