Finding the Fourth Proportional to 3,820.17, 5,269.28 and 2,494.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.17 : 5,269.28 = 2,494.20 : x
2. Step 2: Convert to fraction form
   3,820.17/5,269.28 = 2,494.20/x
3. Step 3: Cross multiply
   3,820.17x = 5,269.28 × 2,494.20
4. Step 4: Simplify right side
   3,820.17x = 13,142,625.71
5. Step 5: Solve for x
   x = 13,142,625.71/3,820.17
6. Step 6: Final answer
   x = 3,440.32