Finding the Fourth Proportional to 23,540.50, 32,485.92 and 12,930.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540.50 : 32,485.92 = 12,930.34 : x
2. Step 2: Convert to fraction form
   23,540.50/32,485.92 = 12,930.34/x
3. Step 3: Cross multiply
   23,540.50x = 32,485.92 × 12,930.34
4. Step 4: Simplify right side
   23,540.50x = 420,053,990.81
5. Step 5: Solve for x
   x = 420,053,990.81/23,540.50
6. Step 6: Final answer
   x = 17,843.89