Finding the Fourth Proportional to 16,783.34, 23,162.78 and 9,613.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.34 : 23,162.78 = 9,613.83 : x
2. Step 2: Convert to fraction form
   16,783.34/23,162.78 = 9,613.83/x
3. Step 3: Cross multiply
   16,783.34x = 23,162.78 × 9,613.83
4. Step 4: Simplify right side
   16,783.34x = 222,683,053.28
5. Step 5: Solve for x
   x = 222,683,053.28/16,783.34
6. Step 6: Final answer
   x = 13,268.10