Finding the Fourth Proportional to 16,778.54, 23,153.04 and 9,705.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,778.54 : 23,153.04 = 9,705.42 : x
2. Step 2: Convert to fraction form
   16,778.54/23,153.04 = 9,705.42/x
3. Step 3: Cross multiply
   16,778.54x = 23,153.04 × 9,705.42
4. Step 4: Simplify right side
   16,778.54x = 224,709,977.48
5. Step 5: Solve for x
   x = 224,709,977.48/16,778.54
6. Step 6: Final answer
   x = 13,392.70