Finding the Fourth Proportional to 11,300.76, 16,949.79 and 2,981.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,300.76 : 16,949.79 = 2,981.40 : x
2. Step 2: Convert to fraction form
   11,300.76/16,949.79 = 2,981.40/x
3. Step 3: Cross multiply
   11,300.76x = 16,949.79 × 2,981.40
4. Step 4: Simplify right side
   11,300.76x = 50,534,103.91
5. Step 5: Solve for x
   x = 50,534,103.91/11,300.76
6. Step 6: Final answer
   x = 4,471.74