Finding the Fourth Proportional to 2,233.18, 3,078.43 and 1,485.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.18 : 3,078.43 = 1,485.55 : x
2. Step 2: Convert to fraction form
   2,233.18/3,078.43 = 1,485.55/x
3. Step 3: Cross multiply
   2,233.18x = 3,078.43 × 1,485.55
4. Step 4: Simplify right side
   2,233.18x = 4,573,161.69
5. Step 5: Solve for x
   x = 4,573,161.69/2,233.18
6. Step 6: Final answer
   x = 2,047.82