Finding the Fourth Proportional to 2,123.67, 3,183.03 and 1,148.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.67 : 3,183.03 = 1,148.07 : x
2. Step 2: Convert to fraction form
   2,123.67/3,183.03 = 1,148.07/x
3. Step 3: Cross multiply
   2,123.67x = 3,183.03 × 1,148.07
4. Step 4: Simplify right side
   2,123.67x = 3,654,341.25
5. Step 5: Solve for x
   x = 3,654,341.25/2,123.67
6. Step 6: Final answer
   x = 1,720.77