Finding the Fourth Proportional to 12,168.52, 18,250.60 and 3,404.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,168.52 : 18,250.60 = 3,404.32 : x
2. Step 2: Convert to fraction form
   12,168.52/18,250.60 = 3,404.32/x
3. Step 3: Cross multiply
   12,168.52x = 18,250.60 × 3,404.32
4. Step 4: Simplify right side
   12,168.52x = 62,130,882.59
5. Step 5: Solve for x
   x = 62,130,882.59/12,168.52
6. Step 6: Final answer
   x = 5,105.87