Finding the Fourth Proportional to 3,820.88, 5,273.94 and 2,494.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.88 : 5,273.94 = 2,494.78 : x
2. Step 2: Convert to fraction form
   3,820.88/5,273.94 = 2,494.78/x
3. Step 3: Cross multiply
   3,820.88x = 5,273.94 × 2,494.78
4. Step 4: Simplify right side
   3,820.88x = 13,157,320.03
5. Step 5: Solve for x
   x = 13,157,320.03/3,820.88
6. Step 6: Final answer
   x = 3,443.53