Finding the Fourth Proportional to 541,459.72, 812,327.82 and 162,379

Step by Step Solution

1. Step 1: Write the proportion equation
   541,459.72 : 812,327.82 = 162,379 : x
2. Step 2: Convert to fraction form
   541,459.72/812,327.82 = 162,379/x
3. Step 3: Cross multiply
   541,459.72x = 812,327.82 × 162,379
4. Step 4: Simplify right side
   541,459.72x = 131,904,979,083.78
5. Step 5: Solve for x
   x = 131,904,979,083.78/541,459.72
6. Step 6: Final answer
   x = 243,609.96