Finding the Fourth Proportional to 1,123.01, 1,684.52 and 301.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.01 : 1,684.52 = 301.27 : x
2. Step 2: Convert to fraction form
   1,123.01/1,684.52 = 301.27/x
3. Step 3: Cross multiply
   1,123.01x = 1,684.52 × 301.27
4. Step 4: Simplify right side
   1,123.01x = 507,485.41
5. Step 5: Solve for x
   x = 507,485.41/1,123.01
6. Step 6: Final answer
   x = 451.90