Finding the Fourth Proportional to 2,153.94, 3,231.83 and 1,373.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.94 : 3,231.83 = 1,373.73 : x
2. Step 2: Convert to fraction form
   2,153.94/3,231.83 = 1,373.73/x
3. Step 3: Cross multiply
   2,153.94x = 3,231.83 × 1,373.73
4. Step 4: Simplify right side
   2,153.94x = 4,439,661.83
5. Step 5: Solve for x
   x = 4,439,661.83/2,153.94
6. Step 6: Final answer
   x = 2,061.18