Finding the Fourth Proportional to 3,928.73, 5,886.17 and 2,075.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928.73 : 5,886.17 = 2,075.75 : x
2. Step 2: Convert to fraction form
   3,928.73/5,886.17 = 2,075.75/x
3. Step 3: Cross multiply
   3,928.73x = 5,886.17 × 2,075.75
4. Step 4: Simplify right side
   3,928.73x = 12,218,177.57
5. Step 5: Solve for x
   x = 12,218,177.57/3,928.73
6. Step 6: Final answer
   x = 3,109.96