Finding the Fourth Proportional to 2,123.49, 3,184.43 and 1,149.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.49 : 3,184.43 = 1,149.06 : x
2. Step 2: Convert to fraction form
   2,123.49/3,184.43 = 1,149.06/x
3. Step 3: Cross multiply
   2,123.49x = 3,184.43 × 1,149.06
4. Step 4: Simplify right side
   2,123.49x = 3,659,101.14
5. Step 5: Solve for x
   x = 3,659,101.14/2,123.49
6. Step 6: Final answer
   x = 1,723.15