Finding the Fourth Proportional to 20,055.37, 27,683.37 and 12,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,055.37 : 27,683.37 = 12,404.50 : x
2. Step 2: Convert to fraction form
   20,055.37/27,683.37 = 12,404.50/x
3. Step 3: Cross multiply
   20,055.37x = 27,683.37 × 12,404.50
4. Step 4: Simplify right side
   20,055.37x = 343,398,363.17
5. Step 5: Solve for x
   x = 343,398,363.17/20,055.37
6. Step 6: Final answer
   x = 17,122.51