Finding the Fourth Proportional to 439,182.96, 606,067.43 and 237,978.96

Step by Step Solution

1. Step 1: Write the proportion equation
   439,182.96 : 606,067.43 = 237,978.96 : x
2. Step 2: Convert to fraction form
   439,182.96/606,067.43 = 237,978.96/x
3. Step 3: Cross multiply
   439,182.96x = 606,067.43 × 237,978.96
4. Step 4: Simplify right side
   439,182.96x = 144,231,296,681.27
5. Step 5: Solve for x
   x = 144,231,296,681.27/439,182.96
6. Step 6: Final answer
   x = 328,408.23