Finding the Fourth Proportional to 1,123.37, 1,682.73 and 659.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.37 : 1,682.73 = 659.75 : x
2. Step 2: Convert to fraction form
   1,123.37/1,682.73 = 659.75/x
3. Step 3: Cross multiply
   1,123.37x = 1,682.73 × 659.75
4. Step 4: Simplify right side
   1,123.37x = 1,110,172.70
5. Step 5: Solve for x
   x = 1,110,172.70/1,123.37
6. Step 6: Final answer
   x = 988.26