Finding the Fourth Proportional to 448,188.03, 618,499.50 and 244,238.88

Step by Step Solution

1. Step 1: Write the proportion equation
   448,188.03 : 618,499.50 = 244,238.88 : x
2. Step 2: Convert to fraction form
   448,188.03/618,499.50 = 244,238.88/x
3. Step 3: Cross multiply
   448,188.03x = 618,499.50 × 244,238.88
4. Step 4: Simplify right side
   448,188.03x = 151,061,625,160.56
5. Step 5: Solve for x
   x = 151,061,625,160.56/448,188.03
6. Step 6: Final answer
   x = 337,049.66