Finding the Fourth Proportional to 448,153.47, 618,443.82 and 244,205.82

Step by Step Solution

1. Step 1: Write the proportion equation
   448,153.47 : 618,443.82 = 244,205.82 : x
2. Step 2: Convert to fraction form
   448,153.47/618,443.82 = 244,205.82/x
3. Step 3: Cross multiply
   448,153.47x = 618,443.82 × 244,205.82
4. Step 4: Simplify right side
   448,153.47x = 151,027,580,187.03
5. Step 5: Solve for x
   x = 151,027,580,187.03/448,153.47
6. Step 6: Final answer
   x = 336,999.69