Finding the Fourth Proportional to 238,563.43, 329,213.83 and 131,131.15

Step by Step Solution

1. Step 1: Write the proportion equation
   238,563.43 : 329,213.83 = 131,131.15 : x
2. Step 2: Convert to fraction form
   238,563.43/329,213.83 = 131,131.15/x
3. Step 3: Cross multiply
   238,563.43x = 329,213.83 × 131,131.15
4. Step 4: Simplify right side
   238,563.43x = 43,170,188,123.80
5. Step 5: Solve for x
   x = 43,170,188,123.80/238,563.43
6. Step 6: Final answer
   x = 180,958.95