Finding the Fourth Proportional to 23,540.99, 32,485.82 and 12,929.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540.99 : 32,485.82 = 12,929.94 : x
2. Step 2: Convert to fraction form
   23,540.99/32,485.82 = 12,929.94/x
3. Step 3: Cross multiply
   23,540.99x = 32,485.82 × 12,929.94
4. Step 4: Simplify right side
   23,540.99x = 420,039,638.80
5. Step 5: Solve for x
   x = 420,039,638.80/23,540.99
6. Step 6: Final answer
   x = 17,842.91