Finding the Fourth Proportional to 2,454.54, 3,680.06 and 1,155.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.54 : 3,680.06 = 1,155.30 : x
2. Step 2: Convert to fraction form
   2,454.54/3,680.06 = 1,155.30/x
3. Step 3: Cross multiply
   2,454.54x = 3,680.06 × 1,155.30
4. Step 4: Simplify right side
   2,454.54x = 4,251,573.32
5. Step 5: Solve for x
   x = 4,251,573.32/2,454.54
6. Step 6: Final answer
   x = 1,732.13