Finding the Fourth Proportional to 196,579.94, 271,278.90 and 111,697.01

Step by Step Solution

1. Step 1: Write the proportion equation
   196,579.94 : 271,278.90 = 111,697.01 : x
2. Step 2: Convert to fraction form
   196,579.94/271,278.90 = 111,697.01/x
3. Step 3: Cross multiply
   196,579.94x = 271,278.90 × 111,697.01
4. Step 4: Simplify right side
   196,579.94x = 30,301,040,649.69
5. Step 5: Solve for x
   x = 30,301,040,649.69/196,579.94
6. Step 6: Final answer
   x = 154,141.07