Finding the Fourth Proportional to 239,111.01, 329,970.71 and 131,678.75

Step by Step Solution

1. Step 1: Write the proportion equation
   239,111.01 : 329,970.71 = 131,678.75 : x
2. Step 2: Convert to fraction form
   239,111.01/329,970.71 = 131,678.75/x
3. Step 3: Cross multiply
   239,111.01x = 329,970.71 × 131,678.75
4. Step 4: Simplify right side
   239,111.01x = 43,450,131,783.54
5. Step 5: Solve for x
   x = 43,450,131,783.54/239,111.01
6. Step 6: Final answer
   x = 181,715.31