Finding the Fourth Proportional to 3,406.24, 5,108.64 and 1,738.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,406.24 : 5,108.64 = 1,738.72 : x
2. Step 2: Convert to fraction form
   3,406.24/5,108.64 = 1,738.72/x
3. Step 3: Cross multiply
   3,406.24x = 5,108.64 × 1,738.72
4. Step 4: Simplify right side
   3,406.24x = 8,882,494.54
5. Step 5: Solve for x
   x = 8,882,494.54/3,406.24
6. Step 6: Final answer
   x = 2,607.71