Finding the Fourth Proportional to 12,834.72, 17,707.32 and 7,796.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,834.72 : 17,707.32 = 7,796.88 : x
2. Step 2: Convert to fraction form
   12,834.72/17,707.32 = 7,796.88/x
3. Step 3: Cross multiply
   12,834.72x = 17,707.32 × 7,796.88
4. Step 4: Simplify right side
   12,834.72x = 138,061,849.16
5. Step 5: Solve for x
   x = 138,061,849.16/12,834.72
6. Step 6: Final answer
   x = 10,756.90