Finding the Fourth Proportional to 2,164.15, 2,986.28 and 1,325.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.15 : 2,986.28 = 1,325.06 : x
2. Step 2: Convert to fraction form
   2,164.15/2,986.28 = 1,325.06/x
3. Step 3: Cross multiply
   2,164.15x = 2,986.28 × 1,325.06
4. Step 4: Simplify right side
   2,164.15x = 3,957,003.49
5. Step 5: Solve for x
   x = 3,957,003.49/2,164.15
6. Step 6: Final answer
   x = 1,828.44