Finding the Fourth Proportional to 439,075.82, 605,920.83 and 237,871.34

Step by Step Solution

1. Step 1: Write the proportion equation
   439,075.82 : 605,920.83 = 237,871.34 : x
2. Step 2: Convert to fraction form
   439,075.82/605,920.83 = 237,871.34/x
3. Step 3: Cross multiply
   439,075.82x = 605,920.83 × 237,871.34
4. Step 4: Simplify right side
   439,075.82x = 144,131,199,766.01
5. Step 5: Solve for x
   x = 144,131,199,766.01/439,075.82
6. Step 6: Final answer
   x = 328,260.39