Finding the Fourth Proportional to 1,123.37, 1,684.56 and 603.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.37 : 1,684.56 = 603.29 : x
2. Step 2: Convert to fraction form
   1,123.37/1,684.56 = 603.29/x
3. Step 3: Cross multiply
   1,123.37x = 1,684.56 × 603.29
4. Step 4: Simplify right side
   1,123.37x = 1,016,269.78
5. Step 5: Solve for x
   x = 1,016,269.78/1,123.37
6. Step 6: Final answer
   x = 904.66