Finding the Fourth Proportional to 196,559.16, 271,172.82 and 123,938.16

Step by Step Solution

1. Step 1: Write the proportion equation
   196,559.16 : 271,172.82 = 123,938.16 : x
2. Step 2: Convert to fraction form
   196,559.16/271,172.82 = 123,938.16/x
3. Step 3: Cross multiply
   196,559.16x = 271,172.82 × 123,938.16
4. Step 4: Simplify right side
   196,559.16x = 33,608,660,352.81
5. Step 5: Solve for x
   x = 33,608,660,352.81/196,559.16
6. Step 6: Final answer
   x = 170,984.96