Finding the Fourth Proportional to 16,783.83, 23,156.15 and 9,705.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.83 : 23,156.15 = 9,705.24 : x
2. Step 2: Convert to fraction form
   16,783.83/23,156.15 = 9,705.24/x
3. Step 3: Cross multiply
   16,783.83x = 23,156.15 × 9,705.24
4. Step 4: Simplify right side
   16,783.83x = 224,735,944.70
5. Step 5: Solve for x
   x = 224,735,944.70/16,783.83
6. Step 6: Final answer
   x = 13,390.03