Finding the Fourth Proportional to 12,680.55, 17,498.16 and 7,014.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680.55 : 17,498.16 = 7,014.33 : x
2. Step 2: Convert to fraction form
   12,680.55/17,498.16 = 7,014.33/x
3. Step 3: Cross multiply
   12,680.55x = 17,498.16 × 7,014.33
4. Step 4: Simplify right side
   12,680.55x = 122,737,868.63
5. Step 5: Solve for x
   x = 122,737,868.63/12,680.55
6. Step 6: Final answer
   x = 9,679.22