Finding the Fourth Proportional to 2,419.72, 3,339.27 and 1,712.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.72 : 3,339.27 = 1,712.83 : x
2. Step 2: Convert to fraction form
   2,419.72/3,339.27 = 1,712.83/x
3. Step 3: Cross multiply
   2,419.72x = 3,339.27 × 1,712.83
4. Step 4: Simplify right side
   2,419.72x = 5,719,601.83
5. Step 5: Solve for x
   x = 5,719,601.83/2,419.72
6. Step 6: Final answer
   x = 2,363.75