Finding the Fourth Proportional to 448,456.42, 672,373.59 and 238,241.98

Step by Step Solution

1. Step 1: Write the proportion equation
   448,456.42 : 672,373.59 = 238,241.98 : x
2. Step 2: Convert to fraction form
   448,456.42/672,373.59 = 238,241.98/x
3. Step 3: Cross multiply
   448,456.42x = 672,373.59 × 238,241.98
4. Step 4: Simplify right side
   448,456.42x = 160,187,615,381.31
5. Step 5: Solve for x
   x = 160,187,615,381.31/448,456.42
6. Step 6: Final answer
   x = 357,197.73