Finding the Fourth Proportional to 2,238.54, 3,360.86 and 1,543.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.54 : 3,360.86 = 1,543.49 : x
2. Step 2: Convert to fraction form
   2,238.54/3,360.86 = 1,543.49/x
3. Step 3: Cross multiply
   2,238.54x = 3,360.86 × 1,543.49
4. Step 4: Simplify right side
   2,238.54x = 5,187,429.28
5. Step 5: Solve for x
   x = 5,187,429.28/2,238.54
6. Step 6: Final answer
   x = 2,317.33