Finding the Fourth Proportional to 12,124.38, 18,180.81 and 3,914.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.38 : 18,180.81 = 3,914.46 : x
2. Step 2: Convert to fraction form
   12,124.38/18,180.81 = 3,914.46/x
3. Step 3: Cross multiply
   12,124.38x = 18,180.81 × 3,914.46
4. Step 4: Simplify right side
   12,124.38x = 71,168,053.51
5. Step 5: Solve for x
   x = 71,168,053.51/12,124.38
6. Step 6: Final answer
   x = 5,869.83