Finding the Fourth Proportional to 17,012.31, 25,523.66 and 8,698.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,012.31 : 25,523.66 = 8,698.17 : x
2. Step 2: Convert to fraction form
   17,012.31/25,523.66 = 8,698.17/x
3. Step 3: Cross multiply
   17,012.31x = 25,523.66 × 8,698.17
4. Step 4: Simplify right side
   17,012.31x = 222,009,122.83
5. Step 5: Solve for x
   x = 222,009,122.83/17,012.31
6. Step 6: Final answer
   x = 13,049.91