Finding the Fourth Proportional to 12,680.55, 17,499 and 7,014.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680.55 : 17,499 = 7,014.86 : x
2. Step 2: Convert to fraction form
   12,680.55/17,499 = 7,014.86/x
3. Step 3: Cross multiply
   12,680.55x = 17,499 × 7,014.86
4. Step 4: Simplify right side
   12,680.55x = 122,752,947.65
5. Step 5: Solve for x
   x = 122,752,947.65/12,680.55
6. Step 6: Final answer
   x = 9,680.41