Finding the Fourth Proportional to 12,698.46, 17,523.86 and 7,109.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698.46 : 17,523.86 = 7,109.46 : x
2. Step 2: Convert to fraction form
   12,698.46/17,523.86 = 7,109.46/x
3. Step 3: Cross multiply
   12,698.46x = 17,523.86 × 7,109.46
4. Step 4: Simplify right side
   12,698.46x = 124,585,146.17
5. Step 5: Solve for x
   x = 124,585,146.17/12,698.46
6. Step 6: Final answer
   x = 9,811.04