Finding the Fourth Proportional to 238,692.72, 329,404.41 and 131,271.06

Step by Step Solution

1. Step 1: Write the proportion equation
   238,692.72 : 329,404.41 = 131,271.06 : x
2. Step 2: Convert to fraction form
   238,692.72/329,404.41 = 131,271.06/x
3. Step 3: Cross multiply
   238,692.72x = 329,404.41 × 131,271.06
4. Step 4: Simplify right side
   238,692.72x = 43,241,266,069.37
5. Step 5: Solve for x
   x = 43,241,266,069.37/238,692.72
6. Step 6: Final answer
   x = 181,158.71