Finding the Fourth Proportional to 23,731.41, 32,748.30 and 12,976

Step by Step Solution

1. Step 1: Write the proportion equation
   23,731.41 : 32,748.30 = 12,976 : x
2. Step 2: Convert to fraction form
   23,731.41/32,748.30 = 12,976/x
3. Step 3: Cross multiply
   23,731.41x = 32,748.30 × 12,976
4. Step 4: Simplify right side
   23,731.41x = 424,941,940.80
5. Step 5: Solve for x
   x = 424,941,940.80/23,731.41
6. Step 6: Final answer
   x = 17,906.31