Finding the Fourth Proportional to 2,845.83, 3,928.23 and 1,667.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845.83 : 3,928.23 = 1,667.28 : x
2. Step 2: Convert to fraction form
   2,845.83/3,928.23 = 1,667.28/x
3. Step 3: Cross multiply
   2,845.83x = 3,928.23 × 1,667.28
4. Step 4: Simplify right side
   2,845.83x = 6,549,459.31
5. Step 5: Solve for x
   x = 6,549,459.31/2,845.83
6. Step 6: Final answer
   x = 2,301.42