Finding the Fourth Proportional to 238,698.72, 329,412.69 and 131,277.06

Step by Step Solution

1. Step 1: Write the proportion equation
   238,698.72 : 329,412.69 = 131,277.06 : x
2. Step 2: Convert to fraction form
   238,698.72/329,412.69 = 131,277.06/x
3. Step 3: Cross multiply
   238,698.72x = 329,412.69 × 131,277.06
4. Step 4: Simplify right side
   238,698.72x = 43,244,329,469.89
5. Step 5: Solve for x
   x = 43,244,329,469.89/238,698.72
6. Step 6: Final answer
   x = 181,166.99