Finding the Fourth Proportional to 16,863.40, 23,269.83 and 9,789.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,863.40 : 23,269.83 = 9,789.13 : x
2. Step 2: Convert to fraction form
   16,863.40/23,269.83 = 9,789.13/x
3. Step 3: Cross multiply
   16,863.40x = 23,269.83 × 9,789.13
4. Step 4: Simplify right side
   16,863.40x = 227,791,390.95
5. Step 5: Solve for x
   x = 227,791,390.95/16,863.40
6. Step 6: Final answer
   x = 13,508.03