Finding the Fourth Proportional to 2,144.11, 2,953.59 and 1,828.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.11 : 2,953.59 = 1,828.35 : x
2. Step 2: Convert to fraction form
   2,144.11/2,953.59 = 1,828.35/x
3. Step 3: Cross multiply
   2,144.11x = 2,953.59 × 1,828.35
4. Step 4: Simplify right side
   2,144.11x = 5,400,196.28
5. Step 5: Solve for x
   x = 5,400,196.28/2,144.11
6. Step 6: Final answer
   x = 2,518.62