Finding the Fourth Proportional to 2,329.16, 3,214.15 and 1,667.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.16 : 3,214.15 = 1,667.12 : x
2. Step 2: Convert to fraction form
   2,329.16/3,214.15 = 1,667.12/x
3. Step 3: Cross multiply
   2,329.16x = 3,214.15 × 1,667.12
4. Step 4: Simplify right side
   2,329.16x = 5,358,353.51
5. Step 5: Solve for x
   x = 5,358,353.51/2,329.16
6. Step 6: Final answer
   x = 2,300.56