Finding the Fourth Proportional to 23,301.41, 32,156.31 and 12,691.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,301.41 : 32,156.31 = 12,691.03 : x
2. Step 2: Convert to fraction form
   23,301.41/32,156.31 = 12,691.03/x
3. Step 3: Cross multiply
   23,301.41x = 32,156.31 × 12,691.03
4. Step 4: Simplify right side
   23,301.41x = 408,096,694.90
5. Step 5: Solve for x
   x = 408,096,694.90/23,301.41
6. Step 6: Final answer
   x = 17,513.82