Finding the Fourth Proportional to 2,233.80, 3,082.59 and 1,225.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.80 : 3,082.59 = 1,225.49 : x
2. Step 2: Convert to fraction form
   2,233.80/3,082.59 = 1,225.49/x
3. Step 3: Cross multiply
   2,233.80x = 3,082.59 × 1,225.49
4. Step 4: Simplify right side
   2,233.80x = 3,777,667.81
5. Step 5: Solve for x
   x = 3,777,667.81/2,233.80
6. Step 6: Final answer
   x = 1,691.14