Finding the Fourth Proportional to 23,558.72, 32,511.30 and 12,948.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,558.72 : 32,511.30 = 12,948.36 : x
2. Step 2: Convert to fraction form
   23,558.72/32,511.30 = 12,948.36/x
3. Step 3: Cross multiply
   23,558.72x = 32,511.30 × 12,948.36
4. Step 4: Simplify right side
   23,558.72x = 420,968,016.47
5. Step 5: Solve for x
   x = 420,968,016.47/23,558.72
6. Step 6: Final answer
   x = 17,868.88