Finding the Fourth Proportional to 2,285.43, 3,153.83 and 1,353.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.43 : 3,153.83 = 1,353.93 : x
2. Step 2: Convert to fraction form
   2,285.43/3,153.83 = 1,353.93/x
3. Step 3: Cross multiply
   2,285.43x = 3,153.83 × 1,353.93
4. Step 4: Simplify right side
   2,285.43x = 4,270,065.05
5. Step 5: Solve for x
   x = 4,270,065.05/2,285.43
6. Step 6: Final answer
   x = 1,868.39