Finding the Fourth Proportional to 12,255.87, 18,382.06 and 3,934.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,255.87 : 18,382.06 = 3,934.81 : x
2. Step 2: Convert to fraction form
   12,255.87/18,382.06 = 3,934.81/x
3. Step 3: Cross multiply
   12,255.87x = 18,382.06 × 3,934.81
4. Step 4: Simplify right side
   12,255.87x = 72,329,913.51
5. Step 5: Solve for x
   x = 72,329,913.51/12,255.87
6. Step 6: Final answer
   x = 5,901.65