Finding the Fourth Proportional to 2,419.77, 3,339.83 and 1,535.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.77 : 3,339.83 = 1,535.42 : x
2. Step 2: Convert to fraction form
   2,419.77/3,339.83 = 1,535.42/x
3. Step 3: Cross multiply
   2,419.77x = 3,339.83 × 1,535.42
4. Step 4: Simplify right side
   2,419.77x = 5,128,053.97
5. Step 5: Solve for x
   x = 5,128,053.97/2,419.77
6. Step 6: Final answer
   x = 2,119.23