Finding the Fourth Proportional to 12,301.84, 18,455.69 and 3,981.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.84 : 18,455.69 = 3,981.86 : x
2. Step 2: Convert to fraction form
   12,301.84/18,455.69 = 3,981.86/x
3. Step 3: Cross multiply
   12,301.84x = 18,455.69 × 3,981.86
4. Step 4: Simplify right side
   12,301.84x = 73,487,937.60
5. Step 5: Solve for x
   x = 73,487,937.60/12,301.84
6. Step 6: Final answer
   x = 5,973.73