Finding the Fourth Proportional to 3,826.51, 5,281.71 and 2,500.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.51 : 5,281.71 = 2,500.43 : x
2. Step 2: Convert to fraction form
   3,826.51/5,281.71 = 2,500.43/x
3. Step 3: Cross multiply
   3,826.51x = 5,281.71 × 2,500.43
4. Step 4: Simplify right side
   3,826.51x = 13,206,546.14
5. Step 5: Solve for x
   x = 13,206,546.14/3,826.51
6. Step 6: Final answer
   x = 3,451.33