Finding the Fourth Proportional to 23,291.29, 32,142.27 and 12,680.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,291.29 : 32,142.27 = 12,680.92 : x
2. Step 2: Convert to fraction form
   23,291.29/32,142.27 = 12,680.92/x
3. Step 3: Cross multiply
   23,291.29x = 32,142.27 × 12,680.92
4. Step 4: Simplify right side
   23,291.29x = 407,593,554.49
5. Step 5: Solve for x
   x = 407,593,554.49/23,291.29
6. Step 6: Final answer
   x = 17,499.83