Finding the Fourth Proportional to 8,171.58, 12,258.59 and 3,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,171.58 : 12,258.59 = 3,789.48 : x
2. Step 2: Convert to fraction form
   8,171.58/12,258.59 = 3,789.48/x
3. Step 3: Cross multiply
   8,171.58x = 12,258.59 × 3,789.48
4. Step 4: Simplify right side
   8,171.58x = 46,453,681.63
5. Step 5: Solve for x
   x = 46,453,681.63/8,171.58
6. Step 6: Final answer
   x = 5,684.79