Finding the Fourth Proportional to 3,826.50, 5,280.60 and 2,502.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.50 : 5,280.60 = 2,502.42 : x
2. Step 2: Convert to fraction form
   3,826.50/5,280.60 = 2,502.42/x
3. Step 3: Cross multiply
   3,826.50x = 5,280.60 × 2,502.42
4. Step 4: Simplify right side
   3,826.50x = 13,214,279.05
5. Step 5: Solve for x
   x = 13,214,279.05/3,826.50
6. Step 6: Final answer
   x = 3,453.36