Finding the Fourth Proportional to 2,883.50, 3,977.67 and 1,928.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,883.50 : 3,977.67 = 1,928.05 : x
2. Step 2: Convert to fraction form
   2,883.50/3,977.67 = 1,928.05/x
3. Step 3: Cross multiply
   2,883.50x = 3,977.67 × 1,928.05
4. Step 4: Simplify right side
   2,883.50x = 7,669,166.30
5. Step 5: Solve for x
   x = 7,669,166.30/2,883.50
6. Step 6: Final answer
   x = 2,659.67