Finding the Fourth Proportional to 23,208.06, 32,027.82 and 13,136.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,208.06 : 32,027.82 = 13,136.28 : x
2. Step 2: Convert to fraction form
   23,208.06/32,027.82 = 13,136.28/x
3. Step 3: Cross multiply
   23,208.06x = 32,027.82 × 13,136.28
4. Step 4: Simplify right side
   23,208.06x = 420,726,411.31
5. Step 5: Solve for x
   x = 420,726,411.31/23,208.06
6. Step 6: Final answer
   x = 18,128.46