Finding the Fourth Proportional to 2,662.50, 3,995.37 and 1,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.50 : 3,995.37 = 1,123.50 : x
2. Step 2: Convert to fraction form
   2,662.50/3,995.37 = 1,123.50/x
3. Step 3: Cross multiply
   2,662.50x = 3,995.37 × 1,123.50
4. Step 4: Simplify right side
   2,662.50x = 4,488,798.20
5. Step 5: Solve for x
   x = 4,488,798.20/2,662.50
6. Step 6: Final answer
   x = 1,685.93