Finding the Fourth Proportional to 16,870.36, 23,279.52 and 9,797.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.36 : 23,279.52 = 9,797.17 : x
2. Step 2: Convert to fraction form
   16,870.36/23,279.52 = 9,797.17/x
3. Step 3: Cross multiply
   16,870.36x = 23,279.52 × 9,797.17
4. Step 4: Simplify right side
   16,870.36x = 228,073,414.96
5. Step 5: Solve for x
   x = 228,073,414.96/16,870.36
6. Step 6: Final answer
   x = 13,519.18