Finding the Fourth Proportional to 3,826.51, 5,731.86 and 3,549.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.51 : 5,731.86 = 3,549.70 : x
2. Step 2: Convert to fraction form
   3,826.51/5,731.86 = 3,549.70/x
3. Step 3: Cross multiply
   3,826.51x = 5,731.86 × 3,549.70
4. Step 4: Simplify right side
   3,826.51x = 20,346,383.44
5. Step 5: Solve for x
   x = 20,346,383.44/3,826.51
6. Step 6: Final answer
   x = 5,317.22