Finding the Fourth Proportional to 2,047.77, 2,826.36 and 1,208.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.77 : 2,826.36 = 1,208.16 : x
2. Step 2: Convert to fraction form
   2,047.77/2,826.36 = 1,208.16/x
3. Step 3: Cross multiply
   2,047.77x = 2,826.36 × 1,208.16
4. Step 4: Simplify right side
   2,047.77x = 3,414,695.10
5. Step 5: Solve for x
   x = 3,414,695.10/2,047.77
6. Step 6: Final answer
   x = 1,667.52