Finding the Fourth Proportional to 7,698.88, 10,696.12 and 7,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,698.88 : 10,696.12 = 7,606.72 : x
2. Step 2: Convert to fraction form
   7,698.88/10,696.12 = 7,606.72/x
3. Step 3: Cross multiply
   7,698.88x = 10,696.12 × 7,606.72
4. Step 4: Simplify right side
   7,698.88x = 81,362,389.93
5. Step 5: Solve for x
   x = 81,362,389.93/7,698.88
6. Step 6: Final answer
   x = 10,568.08