Finding the Fourth Proportional to 12,102.69, 18,151.89 and 3,338.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,102.69 : 18,151.89 = 3,338.28 : x
2. Step 2: Convert to fraction form
   12,102.69/18,151.89 = 3,338.28/x
3. Step 3: Cross multiply
   12,102.69x = 18,151.89 × 3,338.28
4. Step 4: Simplify right side
   12,102.69x = 60,596,091.35
5. Step 5: Solve for x
   x = 60,596,091.35/12,102.69
6. Step 6: Final answer
   x = 5,006.83