Finding the Fourth Proportional to 2,233.61, 3,082.53 and 1,238.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.61 : 3,082.53 = 1,238.93 : x
2. Step 2: Convert to fraction form
   2,233.61/3,082.53 = 1,238.93/x
3. Step 3: Cross multiply
   2,233.61x = 3,082.53 × 1,238.93
4. Step 4: Simplify right side
   2,233.61x = 3,819,038.89
5. Step 5: Solve for x
   x = 3,819,038.89/2,233.61
6. Step 6: Final answer
   x = 1,709.81