Finding the Fourth Proportional to 3,828.38, 5,280.77 and 2,502.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828.38 : 5,280.77 = 2,502.05 : x
2. Step 2: Convert to fraction form
   3,828.38/5,280.77 = 2,502.05/x
3. Step 3: Cross multiply
   3,828.38x = 5,280.77 × 2,502.05
4. Step 4: Simplify right side
   3,828.38x = 13,212,770.04
5. Step 5: Solve for x
   x = 13,212,770.04/3,828.38
6. Step 6: Final answer
   x = 3,451.27