Finding the Fourth Proportional to 2,846.42, 3,928.94 and 1,667.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.42 : 3,928.94 = 1,667.87 : x
2. Step 2: Convert to fraction form
   2,846.42/3,928.94 = 1,667.87/x
3. Step 3: Cross multiply
   2,846.42x = 3,928.94 × 1,667.87
4. Step 4: Simplify right side
   2,846.42x = 6,552,952.82
5. Step 5: Solve for x
   x = 6,552,952.82/2,846.42
6. Step 6: Final answer
   x = 2,302.17