Finding the Fourth Proportional to 448,543.37, 618,978.61 and 244,598.22

Step by Step Solution

1. Step 1: Write the proportion equation
   448,543.37 : 618,978.61 = 244,598.22 : x
2. Step 2: Convert to fraction form
   448,543.37/618,978.61 = 244,598.22/x
3. Step 3: Cross multiply
   448,543.37x = 618,978.61 × 244,598.22
4. Step 4: Simplify right side
   448,543.37x = 151,401,061,906.19
5. Step 5: Solve for x
   x = 151,401,061,906.19/448,543.37
6. Step 6: Final answer
   x = 337,539.41