Finding the Fourth Proportional to 1,962.43, 2,707.86 and 1,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.43 : 2,707.86 = 1,123 : x
2. Step 2: Convert to fraction form
   1,962.43/2,707.86 = 1,123/x
3. Step 3: Cross multiply
   1,962.43x = 2,707.86 × 1,123
4. Step 4: Simplify right side
   1,962.43x = 3,040,926.78
5. Step 5: Solve for x
   x = 3,040,926.78/1,962.43
6. Step 6: Final answer
   x = 1,549.57