Finding the Fourth Proportional to 12,114.63, 18,172.35 and 3,349.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,114.63 : 18,172.35 = 3,349.62 : x
2. Step 2: Convert to fraction form
   12,114.63/18,172.35 = 3,349.62/x
3. Step 3: Cross multiply
   12,114.63x = 18,172.35 × 3,349.62
4. Step 4: Simplify right side
   12,114.63x = 60,870,467.01
5. Step 5: Solve for x
   x = 60,870,467.01/12,114.63
6. Step 6: Final answer
   x = 5,024.54