Finding the Fourth Proportional to 448,144.56, 618,437.52 and 244,194.72

Step by Step Solution

1. Step 1: Write the proportion equation
   448,144.56 : 618,437.52 = 244,194.72 : x
2. Step 2: Convert to fraction form
   448,144.56/618,437.52 = 244,194.72/x
3. Step 3: Cross multiply
   448,144.56x = 618,437.52 × 244,194.72
4. Step 4: Simplify right side
   448,144.56x = 151,019,177,033.89
5. Step 5: Solve for x
   x = 151,019,177,033.89/448,144.56
6. Step 6: Final answer
   x = 336,987.64