Finding the Fourth Proportional to 23,540.22, 32,485.76 and 12,929.63

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540.22 : 32,485.76 = 12,929.63 : x
2. Step 2: Convert to fraction form
   23,540.22/32,485.76 = 12,929.63/x
3. Step 3: Cross multiply
   23,540.22x = 32,485.76 × 12,929.63
4. Step 4: Simplify right side
   23,540.22x = 420,028,678.48
5. Step 5: Solve for x
   x = 420,028,678.48/23,540.22
6. Step 6: Final answer
   x = 17,843.02