Finding the Fourth Proportional to 3,724.42, 5,584.68 and 1,258.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.42 : 5,584.68 = 1,258.32 : x
2. Step 2: Convert to fraction form
   3,724.42/5,584.68 = 1,258.32/x
3. Step 3: Cross multiply
   3,724.42x = 5,584.68 × 1,258.32
4. Step 4: Simplify right side
   3,724.42x = 7,027,314.54
5. Step 5: Solve for x
   x = 7,027,314.54/3,724.42
6. Step 6: Final answer
   x = 1,886.82