Finding the Fourth Proportional to 1,962.96, 2,708.20 and 1,123.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.96 : 2,708.20 = 1,123.09 : x
2. Step 2: Convert to fraction form
   1,962.96/2,708.20 = 1,123.09/x
3. Step 3: Cross multiply
   1,962.96x = 2,708.20 × 1,123.09
4. Step 4: Simplify right side
   1,962.96x = 3,041,552.34
5. Step 5: Solve for x
   x = 3,041,552.34/1,962.96
6. Step 6: Final answer
   x = 1,549.47