Finding the Fourth Proportional to 438,483, 605,107.08 and 237,279

Step by Step Solution

1. Step 1: Write the proportion equation
   438,483 : 605,107.08 = 237,279 : x
2. Step 2: Convert to fraction form
   438,483/605,107.08 = 237,279/x
3. Step 3: Cross multiply
   438,483x = 605,107.08 × 237,279
4. Step 4: Simplify right side
   438,483x = 143,579,202,835.32
5. Step 5: Solve for x
   x = 143,579,202,835.32/438,483
6. Step 6: Final answer
   x = 327,445.31