Finding the Fourth Proportional to 23,866.78, 32,935.52 and 13,256.14

Step by Step Solution

1. Step 1: Write the proportion equation
   23,866.78 : 32,935.52 = 13,256.14 : x
2. Step 2: Convert to fraction form
   23,866.78/32,935.52 = 13,256.14/x
3. Step 3: Cross multiply
   23,866.78x = 32,935.52 × 13,256.14
4. Step 4: Simplify right side
   23,866.78x = 436,597,864.09
5. Step 5: Solve for x
   x = 436,597,864.09/23,866.78
6. Step 6: Final answer
   x = 18,293.12