Finding the Fourth Proportional to 8,981.89, 13,471.31 and 2,740.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,981.89 : 13,471.31 = 2,740.43 : x
2. Step 2: Convert to fraction form
   8,981.89/13,471.31 = 2,740.43/x
3. Step 3: Cross multiply
   8,981.89x = 13,471.31 × 2,740.43
4. Step 4: Simplify right side
   8,981.89x = 36,917,222.59
5. Step 5: Solve for x
   x = 36,917,222.59/8,981.89
6. Step 6: Final answer
   x = 4,110.19