Finding the Fourth Proportional to 3,826.12, 5,705.51 and 3,523.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.12 : 5,705.51 = 3,523.18 : x
2. Step 2: Convert to fraction form
   3,826.12/5,705.51 = 3,523.18/x
3. Step 3: Cross multiply
   3,826.12x = 5,705.51 × 3,523.18
4. Step 4: Simplify right side
   3,826.12x = 20,101,538.72
5. Step 5: Solve for x
   x = 20,101,538.72/3,826.12
6. Step 6: Final answer
   x = 5,253.77