Finding the Fourth Proportional to 1,982.32, 2,735.78 and 1,143.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.32 : 2,735.78 = 1,143.06 : x
2. Step 2: Convert to fraction form
   1,982.32/2,735.78 = 1,143.06/x
3. Step 3: Cross multiply
   1,982.32x = 2,735.78 × 1,143.06
4. Step 4: Simplify right side
   1,982.32x = 3,127,160.10
5. Step 5: Solve for x
   x = 3,127,160.10/1,982.32
6. Step 6: Final answer
   x = 1,577.52