Finding the Fourth Proportional to 2,047.82, 2,827.31 and 1,263.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.82 : 2,827.31 = 1,263.20 : x
2. Step 2: Convert to fraction form
   2,047.82/2,827.31 = 1,263.20/x
3. Step 3: Cross multiply
   2,047.82x = 2,827.31 × 1,263.20
4. Step 4: Simplify right side
   2,047.82x = 3,571,437.54
5. Step 5: Solve for x
   x = 3,571,437.54/2,047.82
6. Step 6: Final answer
   x = 1,744.02