Finding the Fourth Proportional to 2,667.33, 3,679.20 and 1,771.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.33 : 3,679.20 = 1,771.05 : x
2. Step 2: Convert to fraction form
   2,667.33/3,679.20 = 1,771.05/x
3. Step 3: Cross multiply
   2,667.33x = 3,679.20 × 1,771.05
4. Step 4: Simplify right side
   2,667.33x = 6,516,047.16
5. Step 5: Solve for x
   x = 6,516,047.16/2,667.33
6. Step 6: Final answer
   x = 2,442.91