Finding the Fourth Proportional to 1,896.74, 2,839.55 and 1,411.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.74 : 2,839.55 = 1,411.95 : x
2. Step 2: Convert to fraction form
   1,896.74/2,839.55 = 1,411.95/x
3. Step 3: Cross multiply
   1,896.74x = 2,839.55 × 1,411.95
4. Step 4: Simplify right side
   1,896.74x = 4,009,295.56
5. Step 5: Solve for x
   x = 4,009,295.56/1,896.74
6. Step 6: Final answer
   x = 2,113.79