Finding the Fourth Proportional to 12,114.01, 18,172.38 and 5,538.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,114.01 : 18,172.38 = 5,538.43 : x
2. Step 2: Convert to fraction form
   12,114.01/18,172.38 = 5,538.43/x
3. Step 3: Cross multiply
   12,114.01x = 18,172.38 × 5,538.43
4. Step 4: Simplify right side
   12,114.01x = 100,646,454.56
5. Step 5: Solve for x
   x = 100,646,454.56/12,114.01
6. Step 6: Final answer
   x = 8,308.27