Finding the Fourth Proportional to 23,540.82, 32,486.31 and 12,930.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540.82 : 32,486.31 = 12,930.36 : x
2. Step 2: Convert to fraction form
   23,540.82/32,486.31 = 12,930.36/x
3. Step 3: Cross multiply
   23,540.82x = 32,486.31 × 12,930.36
4. Step 4: Simplify right side
   23,540.82x = 420,059,683.37
5. Step 5: Solve for x
   x = 420,059,683.37/23,540.82
6. Step 6: Final answer
   x = 17,843.88