Finding the Fourth Proportional to 2,617.80, 3,928.73 and 1,796.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.80 : 3,928.73 = 1,796.06 : x
2. Step 2: Convert to fraction form
   2,617.80/3,928.73 = 1,796.06/x
3. Step 3: Cross multiply
   2,617.80x = 3,928.73 × 1,796.06
4. Step 4: Simplify right side
   2,617.80x = 7,056,206.18
5. Step 5: Solve for x
   x = 7,056,206.18/2,617.80
6. Step 6: Final answer
   x = 2,695.47