Finding the Fourth Proportional to 16,781.48, 23,156.58 and 10,067.39

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.48 : 23,156.58 = 10,067.39 : x
2. Step 2: Convert to fraction form
   16,781.48/23,156.58 = 10,067.39/x
3. Step 3: Cross multiply
   16,781.48x = 23,156.58 × 10,067.39
4. Step 4: Simplify right side
   16,781.48x = 233,126,321.93
5. Step 5: Solve for x
   x = 233,126,321.93/16,781.48
6. Step 6: Final answer
   x = 13,891.88