Finding the Fourth Proportional to 23,385.57, 32,272.20 and 12,775.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,385.57 : 32,272.20 = 12,775.38 : x
2. Step 2: Convert to fraction form
   23,385.57/32,272.20 = 12,775.38/x
3. Step 3: Cross multiply
   23,385.57x = 32,272.20 × 12,775.38
4. Step 4: Simplify right side
   23,385.57x = 412,289,618.44
5. Step 5: Solve for x
   x = 412,289,618.44/23,385.57
6. Step 6: Final answer
   x = 17,630.09