Finding the Fourth Proportional to 23,540.16, 32,485.50 and 12,929.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540.16 : 32,485.50 = 12,929.52 : x
2. Step 2: Convert to fraction form
   23,540.16/32,485.50 = 12,929.52/x
3. Step 3: Cross multiply
   23,540.16x = 32,485.50 × 12,929.52
4. Step 4: Simplify right side
   23,540.16x = 420,021,921.96
5. Step 5: Solve for x
   x = 420,021,921.96/23,540.16
6. Step 6: Final answer
   x = 17,842.78