Finding the Fourth Proportional to 12,303.37, 18,448.17 and 3,981.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,303.37 : 18,448.17 = 3,981.43 : x
2. Step 2: Convert to fraction form
   12,303.37/18,448.17 = 3,981.43/x
3. Step 3: Cross multiply
   12,303.37x = 18,448.17 × 3,981.43
4. Step 4: Simplify right side
   12,303.37x = 73,450,097.48
5. Step 5: Solve for x
   x = 73,450,097.48/12,303.37
6. Step 6: Final answer
   x = 5,969.92