Finding the Fourth Proportional to 1,962.58, 2,708.89 and 1,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.58 : 2,708.89 = 1,123.72 : x
2. Step 2: Convert to fraction form
   1,962.58/2,708.89 = 1,123.72/x
3. Step 3: Cross multiply
   1,962.58x = 2,708.89 × 1,123.72
4. Step 4: Simplify right side
   1,962.58x = 3,044,045.85
5. Step 5: Solve for x
   x = 3,044,045.85/1,962.58
6. Step 6: Final answer
   x = 1,551.04