Finding the Fourth Proportional to 458,271.91, 687,243.83 and 158,672.05

Step by Step Solution

1. Step 1: Write the proportion equation
   458,271.91 : 687,243.83 = 158,672.05 : x
2. Step 2: Convert to fraction form
   458,271.91/687,243.83 = 158,672.05/x
3. Step 3: Cross multiply
   458,271.91x = 687,243.83 × 158,672.05
4. Step 4: Simplify right side
   458,271.91x = 109,046,384,844.48
5. Step 5: Solve for x
   x = 109,046,384,844.48/458,271.91
6. Step 6: Final answer
   x = 237,951.27