Finding the Fourth Proportional to 2,551.44, 3,520.08 and 1,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.44 : 3,520.08 = 1,667.75 : x
2. Step 2: Convert to fraction form
   2,551.44/3,520.08 = 1,667.75/x
3. Step 3: Cross multiply
   2,551.44x = 3,520.08 × 1,667.75
4. Step 4: Simplify right side
   2,551.44x = 5,870,622.22
5. Step 5: Solve for x
   x = 5,870,622.22/2,551.44
6. Step 6: Final answer
   x = 2,300.91