Finding the Fourth Proportional to 9,447.54, 14,151.06 and 7,684.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,447.54 : 14,151.06 = 7,684.17 : x
2. Step 2: Convert to fraction form
   9,447.54/14,151.06 = 7,684.17/x
3. Step 3: Cross multiply
   9,447.54x = 14,151.06 × 7,684.17
4. Step 4: Simplify right side
   9,447.54x = 108,739,150.72
5. Step 5: Solve for x
   x = 108,739,150.72/9,447.54
6. Step 6: Final answer
   x = 11,509.78