Finding the Fourth Proportional to 23,578.37, 32,538.28 and 12,823.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,578.37 : 32,538.28 = 12,823.37 : x
2. Step 2: Convert to fraction form
   23,578.37/32,538.28 = 12,823.37/x
3. Step 3: Cross multiply
   23,578.37x = 32,538.28 × 12,823.37
4. Step 4: Simplify right side
   23,578.37x = 417,250,208.85
5. Step 5: Solve for x
   x = 417,250,208.85/23,578.37
6. Step 6: Final answer
   x = 17,696.32