Finding the Fourth Proportional to 2,047.80, 2,823.73 and 1,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.80 : 2,823.73 = 1,383.50 : x
2. Step 2: Convert to fraction form
   2,047.80/2,823.73 = 1,383.50/x
3. Step 3: Cross multiply
   2,047.80x = 2,823.73 × 1,383.50
4. Step 4: Simplify right side
   2,047.80x = 3,906,628.65
5. Step 5: Solve for x
   x = 3,906,628.65/2,047.80
6. Step 6: Final answer
   x = 1,907.72