Finding the Fourth Proportional to 12,680.06, 17,498.06 and 7,014.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680.06 : 17,498.06 = 7,014.72 : x
2. Step 2: Convert to fraction form
   12,680.06/17,498.06 = 7,014.72/x
3. Step 3: Cross multiply
   12,680.06x = 17,498.06 × 7,014.72
4. Step 4: Simplify right side
   12,680.06x = 122,743,956.37
5. Step 5: Solve for x
   x = 122,743,956.37/12,680.06
6. Step 6: Final answer
   x = 9,680.08