Finding the Fourth Proportional to 196,457.94, 271,144.71 and 115,905.42

Step by Step Solution

1. Step 1: Write the proportion equation
   196,457.94 : 271,144.71 = 115,905.42 : x
2. Step 2: Convert to fraction form
   196,457.94/271,144.71 = 115,905.42/x
3. Step 3: Cross multiply
   196,457.94x = 271,144.71 × 115,905.42
4. Step 4: Simplify right side
   196,457.94x = 31,427,141,493.33
5. Step 5: Solve for x
   x = 31,427,141,493.33/196,457.94
6. Step 6: Final answer
   x = 159,968.80