Finding the Fourth Proportional to 196,389, 271,016.82 and 106,965

Step by Step Solution

1. Step 1: Write the proportion equation
   196,389 : 271,016.82 = 106,965 : x
2. Step 2: Convert to fraction form
   196,389/271,016.82 = 106,965/x
3. Step 3: Cross multiply
   196,389x = 271,016.82 × 106,965
4. Step 4: Simplify right side
   196,389x = 28,989,314,151.30
5. Step 5: Solve for x
   x = 28,989,314,151.30/196,389
6. Step 6: Final answer
   x = 147,611.70