Finding the Fourth Proportional to 256,665.93, 354,196.91 and 141,949.41

Step by Step Solution

1. Step 1: Write the proportion equation
   256,665.93 : 354,196.91 = 141,949.41 : x
2. Step 2: Convert to fraction form
   256,665.93/354,196.91 = 141,949.41/x
3. Step 3: Cross multiply
   256,665.93x = 354,196.91 × 141,949.41
4. Step 4: Simplify right side
   256,665.93x = 50,278,042,398.32
5. Step 5: Solve for x
   x = 50,278,042,398.32/256,665.93
6. Step 6: Final answer
   x = 195,889.04