Finding the Fourth Proportional to 238,860.50, 329,631.93 and 131,429.59

Step by Step Solution

1. Step 1: Write the proportion equation
   238,860.50 : 329,631.93 = 131,429.59 : x
2. Step 2: Convert to fraction form
   238,860.50/329,631.93 = 131,429.59/x
3. Step 3: Cross multiply
   238,860.50x = 329,631.93 × 131,429.59
4. Step 4: Simplify right side
   238,860.50x = 43,323,388,586.73
5. Step 5: Solve for x
   x = 43,323,388,586.73/238,860.50
6. Step 6: Final answer
   x = 181,375.28