Finding the Fourth Proportional to 12,734.82, 17,571.72 and 7,630.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,734.82 : 17,571.72 = 7,630.44 : x
2. Step 2: Convert to fraction form
   12,734.82/17,571.72 = 7,630.44/x
3. Step 3: Cross multiply
   12,734.82x = 17,571.72 × 7,630.44
4. Step 4: Simplify right side
   12,734.82x = 134,079,955.16
5. Step 5: Solve for x
   x = 134,079,955.16/12,734.82
6. Step 6: Final answer
   x = 10,528.61