Finding the Fourth Proportional to 1,823.82, 2,738.40 and 1,128.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,823.82 : 2,738.40 = 1,128.48 : x
2. Step 2: Convert to fraction form
   1,823.82/2,738.40 = 1,128.48/x
3. Step 3: Cross multiply
   1,823.82x = 2,738.40 × 1,128.48
4. Step 4: Simplify right side
   1,823.82x = 3,090,229.63
5. Step 5: Solve for x
   x = 3,090,229.63/1,823.82
6. Step 6: Final answer
   x = 1,694.37