Finding the Fourth Proportional to 1,962.90, 2,708.82 and 1,123.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.90 : 2,708.82 = 1,123.74 : x
2. Step 2: Convert to fraction form
   1,962.90/2,708.82 = 1,123.74/x
3. Step 3: Cross multiply
   1,962.90x = 2,708.82 × 1,123.74
4. Step 4: Simplify right side
   1,962.90x = 3,044,009.39
5. Step 5: Solve for x
   x = 3,044,009.39/1,962.90
6. Step 6: Final answer
   x = 1,550.77