Finding the Fourth Proportional to 12,634.56, 17,435.66 and 7,601.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,634.56 : 17,435.66 = 7,601.72 : x
2. Step 2: Convert to fraction form
   12,634.56/17,435.66 = 7,601.72/x
3. Step 3: Cross multiply
   12,634.56x = 17,435.66 × 7,601.72
4. Step 4: Simplify right side
   12,634.56x = 132,540,880.15
5. Step 5: Solve for x
   x = 132,540,880.15/12,634.56
6. Step 6: Final answer
   x = 10,490.34