Finding the Fourth Proportional to 237,105.09, 327,200.45 and 129,674.79

Step by Step Solution

1. Step 1: Write the proportion equation
   237,105.09 : 327,200.45 = 129,674.79 : x
2. Step 2: Convert to fraction form
   237,105.09/327,200.45 = 129,674.79/x
3. Step 3: Cross multiply
   237,105.09x = 327,200.45 × 129,674.79
4. Step 4: Simplify right side
   237,105.09x = 42,429,648,993.28
5. Step 5: Solve for x
   x = 42,429,648,993.28/237,105.09
6. Step 6: Final answer
   x = 178,948.71