Finding the Fourth Proportional to 237,317.31, 355,930.61 and 71,105.31

Step by Step Solution

1. Step 1: Write the proportion equation
   237,317.31 : 355,930.61 = 71,105.31 : x
2. Step 2: Convert to fraction form
   237,317.31/355,930.61 = 71,105.31/x
3. Step 3: Cross multiply
   237,317.31x = 355,930.61 × 71,105.31
4. Step 4: Simplify right side
   237,317.31x = 25,308,556,007.01
5. Step 5: Solve for x
   x = 25,308,556,007.01/237,317.31
6. Step 6: Final answer
   x = 106,644.37