Finding the Fourth Proportional to 12,106.88, 18,158.14 and 3,339.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,106.88 : 18,158.14 = 3,339.62 : x
2. Step 2: Convert to fraction form
   12,106.88/18,158.14 = 3,339.62/x
3. Step 3: Cross multiply
   12,106.88x = 18,158.14 × 3,339.62
4. Step 4: Simplify right side
   12,106.88x = 60,641,287.51
5. Step 5: Solve for x
   x = 60,641,287.51/12,106.88
6. Step 6: Final answer
   x = 5,008.83