Finding the Fourth Proportional to 458,424.72, 687,481.29 and 158,835.35

Step by Step Solution

1. Step 1: Write the proportion equation
   458,424.72 : 687,481.29 = 158,835.35 : x
2. Step 2: Convert to fraction form
   458,424.72/687,481.29 = 158,835.35/x
3. Step 3: Cross multiply
   458,424.72x = 687,481.29 × 158,835.35
4. Step 4: Simplify right side
   458,424.72x = 109,196,333,034.31
5. Step 5: Solve for x
   x = 109,196,333,034.31/458,424.72
6. Step 6: Final answer
   x = 238,199.05