Finding the Fourth Proportional to 449,468.48, 674,111.46 and 165,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   449,468.48 : 674,111.46 = 165,061.28 : x
2. Step 2: Convert to fraction form
   449,468.48/674,111.46 = 165,061.28/x
3. Step 3: Cross multiply
   449,468.48x = 674,111.46 × 165,061.28
4. Step 4: Simplify right side
   449,468.48x = 111,269,700,450.27
5. Step 5: Solve for x
   x = 111,269,700,450.27/449,468.48
6. Step 6: Final answer
   x = 247,558.41