Finding the Fourth Proportional to 12,160.17, 18,247.55 and 4,369.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,160.17 : 18,247.55 = 4,369.59 : x
2. Step 2: Convert to fraction form
   12,160.17/18,247.55 = 4,369.59/x
3. Step 3: Cross multiply
   12,160.17x = 18,247.55 × 4,369.59
4. Step 4: Simplify right side
   12,160.17x = 79,734,290.16
5. Step 5: Solve for x
   x = 79,734,290.16/12,160.17
6. Step 6: Final answer
   x = 6,557.00