Finding the Fourth Proportional to 3,881.16, 5,319.89 and 3,826.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.16 : 5,319.89 = 3,826.49 : x
2. Step 2: Convert to fraction form
   3,881.16/5,319.89 = 3,826.49/x
3. Step 3: Cross multiply
   3,881.16x = 5,319.89 × 3,826.49
4. Step 4: Simplify right side
   3,881.16x = 20,356,460.15
5. Step 5: Solve for x
   x = 20,356,460.15/3,881.16
6. Step 6: Final answer
   x = 5,244.94