Finding the Fourth Proportional to 17,116.24, 23,608.88 and 12,878.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,116.24 : 23,608.88 = 12,878.32 : x
2. Step 2: Convert to fraction form
   17,116.24/23,608.88 = 12,878.32/x
3. Step 3: Cross multiply
   17,116.24x = 23,608.88 × 12,878.32
4. Step 4: Simplify right side
   17,116.24x = 304,042,711.48
5. Step 5: Solve for x
   x = 304,042,711.48/17,116.24
6. Step 6: Final answer
   x = 17,763.41