Finding the Fourth Proportional to 12,301.29, 18,454.86 and 3,981.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.29 : 18,454.86 = 3,981.30 : x
2. Step 2: Convert to fraction form
   12,301.29/18,454.86 = 3,981.30/x
3. Step 3: Cross multiply
   12,301.29x = 18,454.86 × 3,981.30
4. Step 4: Simplify right side
   12,301.29x = 73,474,389.07
5. Step 5: Solve for x
   x = 73,474,389.07/12,301.29
6. Step 6: Final answer
   x = 5,972.90