Finding the Fourth Proportional to 12,627.30, 17,424.89 and 6,961.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,627.30 : 17,424.89 = 6,961.76 : x
2. Step 2: Convert to fraction form
   12,627.30/17,424.89 = 6,961.76/x
3. Step 3: Cross multiply
   12,627.30x = 17,424.89 × 6,961.76
4. Step 4: Simplify right side
   12,627.30x = 121,307,780.27
5. Step 5: Solve for x
   x = 121,307,780.27/12,627.30
6. Step 6: Final answer
   x = 9,606.79