Finding the Fourth Proportional to 2,505.06, 3,455.37 and 1,719.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.06 : 3,455.37 = 1,719.54 : x
2. Step 2: Convert to fraction form
   2,505.06/3,455.37 = 1,719.54/x
3. Step 3: Cross multiply
   2,505.06x = 3,455.37 × 1,719.54
4. Step 4: Simplify right side
   2,505.06x = 5,941,646.93
5. Step 5: Solve for x
   x = 5,941,646.93/2,505.06
6. Step 6: Final answer
   x = 2,371.86