Finding the Fourth Proportional to 1,962.91, 2,708.03 and 1,123.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.91 : 2,708.03 = 1,123.45 : x
2. Step 2: Convert to fraction form
   1,962.91/2,708.03 = 1,123.45/x
3. Step 3: Cross multiply
   1,962.91x = 2,708.03 × 1,123.45
4. Step 4: Simplify right side
   1,962.91x = 3,042,336.30
5. Step 5: Solve for x
   x = 3,042,336.30/1,962.91
6. Step 6: Final answer
   x = 1,549.91