Finding the Fourth Proportional to 12,468.27, 17,205.39 and 7,751.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,468.27 : 17,205.39 = 7,751.64 : x
2. Step 2: Convert to fraction form
   12,468.27/17,205.39 = 7,751.64/x
3. Step 3: Cross multiply
   12,468.27x = 17,205.39 × 7,751.64
4. Step 4: Simplify right side
   12,468.27x = 133,369,989.34
5. Step 5: Solve for x
   x = 133,369,989.34/12,468.27
6. Step 6: Final answer
   x = 10,696.75