Finding the Fourth Proportional to 238,758.48, 329,479.82 and 131,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,758.48 : 329,479.82 = 131,328.50 : x
2. Step 2: Convert to fraction form
   238,758.48/329,479.82 = 131,328.50/x
3. Step 3: Cross multiply
   238,758.48x = 329,479.82 × 131,328.50
4. Step 4: Simplify right side
   238,758.48x = 43,270,091,692.89
5. Step 5: Solve for x
   x = 43,270,091,692.89/238,758.48
6. Step 6: Final answer
   x = 181,229.55