Finding the Fourth Proportional to 238,493.90, 329,105.67 and 131,061.62

Step by Step Solution

1. Step 1: Write the proportion equation
   238,493.90 : 329,105.67 = 131,061.62 : x
2. Step 2: Convert to fraction form
   238,493.90/329,105.67 = 131,061.62/x
3. Step 3: Cross multiply
   238,493.90x = 329,105.67 × 131,061.62
4. Step 4: Simplify right side
   238,493.90x = 43,133,122,261.39
5. Step 5: Solve for x
   x = 43,133,122,261.39/238,493.90
6. Step 6: Final answer
   x = 180,856.29