Finding the Fourth Proportional to 196,767.93, 271,538.49 and 111,885

Step by Step Solution

1. Step 1: Write the proportion equation
   196,767.93 : 271,538.49 = 111,885 : x
2. Step 2: Convert to fraction form
   196,767.93/271,538.49 = 111,885/x
3. Step 3: Cross multiply
   196,767.93x = 271,538.49 × 111,885
4. Step 4: Simplify right side
   196,767.93x = 30,381,083,953.65
5. Step 5: Solve for x
   x = 30,381,083,953.65/196,767.93
6. Step 6: Final answer
   x = 154,400.59