Finding the Fourth Proportional to 2,181.04, 3,271.72 and 1,084.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.04 : 3,271.72 = 1,084.28 : x
2. Step 2: Convert to fraction form
   2,181.04/3,271.72 = 1,084.28/x
3. Step 3: Cross multiply
   2,181.04x = 3,271.72 × 1,084.28
4. Step 4: Simplify right side
   2,181.04x = 3,547,460.56
5. Step 5: Solve for x
   x = 3,547,460.56/2,181.04
6. Step 6: Final answer
   x = 1,626.50