Finding the Fourth Proportional to 13,683.95, 20,493.35 and 8,738.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,683.95 : 20,493.35 = 8,738.27 : x
2. Step 2: Convert to fraction form
   13,683.95/20,493.35 = 8,738.27/x
3. Step 3: Cross multiply
   13,683.95x = 20,493.35 × 8,738.27
4. Step 4: Simplify right side
   13,683.95x = 179,076,465.82
5. Step 5: Solve for x
   x = 179,076,465.82/13,683.95
6. Step 6: Final answer
   x = 13,086.60