Finding the Fourth Proportional to 12,759.04, 17,606.64 and 7,168.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,759.04 : 17,606.64 = 7,168.96 : x
2. Step 2: Convert to fraction form
   12,759.04/17,606.64 = 7,168.96/x
3. Step 3: Cross multiply
   12,759.04x = 17,606.64 × 7,168.96
4. Step 4: Simplify right side
   12,759.04x = 126,221,297.89
5. Step 5: Solve for x
   x = 126,221,297.89/12,759.04
6. Step 6: Final answer
   x = 9,892.70