Finding the Fourth Proportional to 2,429.19, 3,641.36 and 1,258.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.19 : 3,641.36 = 1,258.54 : x
2. Step 2: Convert to fraction form
   2,429.19/3,641.36 = 1,258.54/x
3. Step 3: Cross multiply
   2,429.19x = 3,641.36 × 1,258.54
4. Step 4: Simplify right side
   2,429.19x = 4,582,781.82
5. Step 5: Solve for x
   x = 4,582,781.82/2,429.19
6. Step 6: Final answer
   x = 1,886.55