Finding the Fourth Proportional to 9,662.97, 13,361.73 and 7,670.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.97 : 13,361.73 = 7,670.06 : x
2. Step 2: Convert to fraction form
   9,662.97/13,361.73 = 7,670.06/x
3. Step 3: Cross multiply
   9,662.97x = 13,361.73 × 7,670.06
4. Step 4: Simplify right side
   9,662.97x = 102,485,316.27
5. Step 5: Solve for x
   x = 102,485,316.27/9,662.97
6. Step 6: Final answer
   x = 10,605.99