Finding the Fourth Proportional to 12,934.72, 17,849.12 and 7,629.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934.72 : 17,849.12 = 7,629.76 : x
2. Step 2: Convert to fraction form
   12,934.72/17,849.12 = 7,629.76/x
3. Step 3: Cross multiply
   12,934.72x = 17,849.12 × 7,629.76
4. Step 4: Simplify right side
   12,934.72x = 136,184,501.81
5. Step 5: Solve for x
   x = 136,184,501.81/12,934.72
6. Step 6: Final answer
   x = 10,528.60