Finding the Fourth Proportional to 196,839.56, 271,498.63 and 131,395.39

Step by Step Solution

1. Step 1: Write the proportion equation
   196,839.56 : 271,498.63 = 131,395.39 : x
2. Step 2: Convert to fraction form
   196,839.56/271,498.63 = 131,395.39/x
3. Step 3: Cross multiply
   196,839.56x = 271,498.63 × 131,395.39
4. Step 4: Simplify right side
   196,839.56x = 35,673,666,358.85
5. Step 5: Solve for x
   x = 35,673,666,358.85/196,839.56
6. Step 6: Final answer
   x = 181,232.20