Finding the Fourth Proportional to 3,983.33, 5,974.20 and 3,785.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.33 : 5,974.20 = 3,785.76 : x
2. Step 2: Convert to fraction form
   3,983.33/5,974.20 = 3,785.76/x
3. Step 3: Cross multiply
   3,983.33x = 5,974.20 × 3,785.76
4. Step 4: Simplify right side
   3,983.33x = 22,616,887.39
5. Step 5: Solve for x
   x = 22,616,887.39/3,983.33
6. Step 6: Final answer
   x = 5,677.88