Finding the Fourth Proportional to 196,767.81, 271,538.32 and 111,884.88

Step by Step Solution

1. Step 1: Write the proportion equation
   196,767.81 : 271,538.32 = 111,884.88 : x
2. Step 2: Convert to fraction form
   196,767.81/271,538.32 = 111,884.88/x
3. Step 3: Cross multiply
   196,767.81x = 271,538.32 × 111,884.88
4. Step 4: Simplify right side
   196,767.81x = 30,381,032,348.60
5. Step 5: Solve for x
   x = 30,381,032,348.60/196,767.81
6. Step 6: Final answer
   x = 154,400.42