Finding the Fourth Proportional to 3,443.60, 5,156.04 and 2,617.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.60 : 5,156.04 = 2,617.94 : x
2. Step 2: Convert to fraction form
   3,443.60/5,156.04 = 2,617.94/x
3. Step 3: Cross multiply
   3,443.60x = 5,156.04 × 2,617.94
4. Step 4: Simplify right side
   3,443.60x = 13,498,203.36
5. Step 5: Solve for x
   x = 13,498,203.36/3,443.60
6. Step 6: Final answer
   x = 3,919.79