Finding the Fourth Proportional to 3,981.67, 5,496.23 and 2,654.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.67 : 5,496.23 = 2,654.89 : x
2. Step 2: Convert to fraction form
   3,981.67/5,496.23 = 2,654.89/x
3. Step 3: Cross multiply
   3,981.67x = 5,496.23 × 2,654.89
4. Step 4: Simplify right side
   3,981.67x = 14,591,859.05
5. Step 5: Solve for x
   x = 14,591,859.05/3,981.67
6. Step 6: Final answer
   x = 3,664.76