Finding the Fourth Proportional to 1,982.84, 2,735.89 and 1,186.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.84 : 2,735.89 = 1,186.05 : x
2. Step 2: Convert to fraction form
   1,982.84/2,735.89 = 1,186.05/x
3. Step 3: Cross multiply
   1,982.84x = 2,735.89 × 1,186.05
4. Step 4: Simplify right side
   1,982.84x = 3,244,902.33
5. Step 5: Solve for x
   x = 3,244,902.33/1,982.84
6. Step 6: Final answer
   x = 1,636.49