Finding the Fourth Proportional to 40,216.94, 60,323.89 and 12,136.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,216.94 : 60,323.89 = 12,136.25 : x
2. Step 2: Convert to fraction form
   40,216.94/60,323.89 = 12,136.25/x
3. Step 3: Cross multiply
   40,216.94x = 60,323.89 × 12,136.25
4. Step 4: Simplify right side
   40,216.94x = 732,105,749.33
5. Step 5: Solve for x
   x = 732,105,749.33/40,216.94
6. Step 6: Final answer
   x = 18,203.91