Finding the Fourth Proportional to 12,680.52, 17,497.58 and 7,014.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680.52 : 17,497.58 = 7,014.51 : x
2. Step 2: Convert to fraction form
   12,680.52/17,497.58 = 7,014.51/x
3. Step 3: Cross multiply
   12,680.52x = 17,497.58 × 7,014.51
4. Step 4: Simplify right side
   12,680.52x = 122,736,914.81
5. Step 5: Solve for x
   x = 122,736,914.81/12,680.52
6. Step 6: Final answer
   x = 9,679.17