Finding the Fourth Proportional to 3,899.82, 5,383.71 and 3,013.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899.82 : 5,383.71 = 3,013.62 : x
2. Step 2: Convert to fraction form
   3,899.82/5,383.71 = 3,013.62/x
3. Step 3: Cross multiply
   3,899.82x = 5,383.71 × 3,013.62
4. Step 4: Simplify right side
   3,899.82x = 16,224,456.13
5. Step 5: Solve for x
   x = 16,224,456.13/3,899.82
6. Step 6: Final answer
   x = 4,160.31