Finding the Fourth Proportional to 16,708.38, 23,057.56 and 9,994.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,708.38 : 23,057.56 = 9,994.29 : x
2. Step 2: Convert to fraction form
   16,708.38/23,057.56 = 9,994.29/x
3. Step 3: Cross multiply
   16,708.38x = 23,057.56 × 9,994.29
4. Step 4: Simplify right side
   16,708.38x = 230,443,941.33
5. Step 5: Solve for x
   x = 230,443,941.33/16,708.38
6. Step 6: Final answer
   x = 13,792.12