Finding the Fourth Proportional to 12,684.06, 17,492.31 and 8,698.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,684.06 : 17,492.31 = 8,698.14 : x
2. Step 2: Convert to fraction form
   12,684.06/17,492.31 = 8,698.14/x
3. Step 3: Cross multiply
   12,684.06x = 17,492.31 × 8,698.14
4. Step 4: Simplify right side
   12,684.06x = 152,150,561.30
5. Step 5: Solve for x
   x = 152,150,561.30/12,684.06
6. Step 6: Final answer
   x = 11,995.41