Finding the Fourth Proportional to 20,093.47, 27,732.17 and 12,136.84

Step by Step Solution

1. Step 1: Write the proportion equation
   20,093.47 : 27,732.17 = 12,136.84 : x
2. Step 2: Convert to fraction form
   20,093.47/27,732.17 = 12,136.84/x
3. Step 3: Cross multiply
   20,093.47x = 27,732.17 × 12,136.84
4. Step 4: Simplify right side
   20,093.47x = 336,580,871.15
5. Step 5: Solve for x
   x = 336,580,871.15/20,093.47
6. Step 6: Final answer
   x = 16,750.76