Finding the Fourth Proportional to 2,164.36, 2,986.96 and 1,632.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.36 : 2,986.96 = 1,632.31 : x
2. Step 2: Convert to fraction form
   2,164.36/2,986.96 = 1,632.31/x
3. Step 3: Cross multiply
   2,164.36x = 2,986.96 × 1,632.31
4. Step 4: Simplify right side
   2,164.36x = 4,875,635.73
5. Step 5: Solve for x
   x = 4,875,635.73/2,164.36
6. Step 6: Final answer
   x = 2,252.69