Finding the Fourth Proportional to 23,868.22, 32,939.56 and 13,257.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,868.22 : 32,939.56 = 13,257.78 : x
2. Step 2: Convert to fraction form
   23,868.22/32,939.56 = 13,257.78/x
3. Step 3: Cross multiply
   23,868.22x = 32,939.56 × 13,257.78
4. Step 4: Simplify right side
   23,868.22x = 436,705,332.83
5. Step 5: Solve for x
   x = 436,705,332.83/23,868.22
6. Step 6: Final answer
   x = 18,296.52