Finding the Fourth Proportional to 2,846.64, 3,928.77 and 1,667.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.64 : 3,928.77 = 1,667.72 : x
2. Step 2: Convert to fraction form
   2,846.64/3,928.77 = 1,667.72/x
3. Step 3: Cross multiply
   2,846.64x = 3,928.77 × 1,667.72
4. Step 4: Simplify right side
   2,846.64x = 6,552,098.13
5. Step 5: Solve for x
   x = 6,552,098.13/2,846.64
6. Step 6: Final answer
   x = 2,301.69