Finding the Fourth Proportional to 16,814.06, 23,198.37 and 9,740.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,814.06 : 23,198.37 = 9,740.30 : x
2. Step 2: Convert to fraction form
   16,814.06/23,198.37 = 9,740.30/x
3. Step 3: Cross multiply
   16,814.06x = 23,198.37 × 9,740.30
4. Step 4: Simplify right side
   16,814.06x = 225,959,083.31
5. Step 5: Solve for x
   x = 225,959,083.31/16,814.06
6. Step 6: Final answer
   x = 13,438.70