Finding the Fourth Proportional to 2,550.96, 3,520.38 and 1,667.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.96 : 3,520.38 = 1,667.34 : x
2. Step 2: Convert to fraction form
   2,550.96/3,520.38 = 1,667.34/x
3. Step 3: Cross multiply
   2,550.96x = 3,520.38 × 1,667.34
4. Step 4: Simplify right side
   2,550.96x = 5,869,670.39
5. Step 5: Solve for x
   x = 5,869,670.39/2,550.96
6. Step 6: Final answer
   x = 2,300.97