Finding the Fourth Proportional to 1,982.34, 2,735.37 and 1,131.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.34 : 2,735.37 = 1,131.57 : x
2. Step 2: Convert to fraction form
   1,982.34/2,735.37 = 1,131.57/x
3. Step 3: Cross multiply
   1,982.34x = 2,735.37 × 1,131.57
4. Step 4: Simplify right side
   1,982.34x = 3,095,262.63
5. Step 5: Solve for x
   x = 3,095,262.63/1,982.34
6. Step 6: Final answer
   x = 1,561.42