Finding the Fourth Proportional to 2,540.52, 3,809.74 and 1,719.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.52 : 3,809.74 = 1,719.02 : x
2. Step 2: Convert to fraction form
   2,540.52/3,809.74 = 1,719.02/x
3. Step 3: Cross multiply
   2,540.52x = 3,809.74 × 1,719.02
4. Step 4: Simplify right side
   2,540.52x = 6,549,019.25
5. Step 5: Solve for x
   x = 6,549,019.25/2,540.52
6. Step 6: Final answer
   x = 2,577.83