Finding the Fourth Proportional to 3,825.38, 5,276.64 and 2,499.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,825.38 : 5,276.64 = 2,499.05 : x
2. Step 2: Convert to fraction form
   3,825.38/5,276.64 = 2,499.05/x
3. Step 3: Cross multiply
   3,825.38x = 5,276.64 × 2,499.05
4. Step 4: Simplify right side
   3,825.38x = 13,186,609.76
5. Step 5: Solve for x
   x = 13,186,609.76/3,825.38
6. Step 6: Final answer
   x = 3,447.14