Finding the Fourth Proportional to 23,817.78, 32,867.82 and 13,206.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,817.78 : 32,867.82 = 13,206.78 : x
2. Step 2: Convert to fraction form
   23,817.78/32,867.82 = 13,206.78/x
3. Step 3: Cross multiply
   23,817.78x = 32,867.82 × 13,206.78
4. Step 4: Simplify right side
   23,817.78x = 434,078,067.82
5. Step 5: Solve for x
   x = 434,078,067.82/23,817.78
6. Step 6: Final answer
   x = 18,224.96