Finding the Fourth Proportional to 23,016.82, 31,764.36 and 12,948.44

Step by Step Solution

1. Step 1: Write the proportion equation
   23,016.82 : 31,764.36 = 12,948.44 : x
2. Step 2: Convert to fraction form
   23,016.82/31,764.36 = 12,948.44/x
3. Step 3: Cross multiply
   23,016.82x = 31,764.36 × 12,948.44
4. Step 4: Simplify right side
   23,016.82x = 411,298,909.60
5. Step 5: Solve for x
   x = 411,298,909.60/23,016.82
6. Step 6: Final answer
   x = 17,869.49