Finding the Fourth Proportional to 320,837.31, 481,089.83 and 171,037.37

Step by Step Solution

1. Step 1: Write the proportion equation
   320,837.31 : 481,089.83 = 171,037.37 : x
2. Step 2: Convert to fraction form
   320,837.31/481,089.83 = 171,037.37/x
3. Step 3: Cross multiply
   320,837.31x = 481,089.83 × 171,037.37
4. Step 4: Simplify right side
   320,837.31x = 82,284,335,996.31
5. Step 5: Solve for x
   x = 82,284,335,996.31/320,837.31
6. Step 6: Final answer
   x = 256,467.48