Finding the Fourth Proportional to 238,493.40, 329,104.98 and 131,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   238,493.40 : 329,104.98 = 131,061.12 : x
2. Step 2: Convert to fraction form
   238,493.40/329,104.98 = 131,061.12/x
3. Step 3: Cross multiply
   238,493.40x = 329,104.98 × 131,061.12
4. Step 4: Simplify right side
   238,493.40x = 43,132,867,276.38
5. Step 5: Solve for x
   x = 43,132,867,276.38/238,493.40
6. Step 6: Final answer
   x = 180,855.60