Finding the Fourth Proportional to 2,181.67, 3,273.72 and 1,632.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.67 : 3,273.72 = 1,632.22 : x
2. Step 2: Convert to fraction form
   2,181.67/3,273.72 = 1,632.22/x
3. Step 3: Cross multiply
   2,181.67x = 3,273.72 × 1,632.22
4. Step 4: Simplify right side
   2,181.67x = 5,343,431.26
5. Step 5: Solve for x
   x = 5,343,431.26/2,181.67
6. Step 6: Final answer
   x = 2,449.24