Finding the Fourth Proportional to 12,301.88, 18,453.42 and 3,981.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.88 : 18,453.42 = 3,981.25 : x
2. Step 2: Convert to fraction form
   12,301.88/18,453.42 = 3,981.25/x
3. Step 3: Cross multiply
   12,301.88x = 18,453.42 × 3,981.25
4. Step 4: Simplify right side
   12,301.88x = 73,467,701.44
5. Step 5: Solve for x
   x = 73,467,701.44/12,301.88
6. Step 6: Final answer
   x = 5,972.07