Finding the Fourth Proportional to 395,443.71, 593,165.41 and 158,786.31

Step by Step Solution

1. Step 1: Write the proportion equation
   395,443.71 : 593,165.41 = 158,786.31 : x
2. Step 2: Convert to fraction form
   395,443.71/593,165.41 = 158,786.31/x
3. Step 3: Cross multiply
   395,443.71x = 593,165.41 × 158,786.31
4. Step 4: Simplify right side
   395,443.71x = 94,186,546,673.54
5. Step 5: Solve for x
   x = 94,186,546,673.54/395,443.71
6. Step 6: Final answer
   x = 238,179.40