Finding the Fourth Proportional to 2,454.73, 3,386.94 and 1,558.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.73 : 3,386.94 = 1,558.15 : x
2. Step 2: Convert to fraction form
   2,454.73/3,386.94 = 1,558.15/x
3. Step 3: Cross multiply
   2,454.73x = 3,386.94 × 1,558.15
4. Step 4: Simplify right side
   2,454.73x = 5,277,360.56
5. Step 5: Solve for x
   x = 5,277,360.56/2,454.73
6. Step 6: Final answer
   x = 2,149.87