Finding the Fourth Proportional to 196,632.72, 271,376.28 and 111,762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,632.72 : 271,376.28 = 111,762.72 : x
2. Step 2: Convert to fraction form
   196,632.72/271,376.28 = 111,762.72/x
3. Step 3: Cross multiply
   196,632.72x = 271,376.28 × 111,762.72
4. Step 4: Simplify right side
   196,632.72x = 30,329,751,196.28
5. Step 5: Solve for x
   x = 30,329,751,196.28/196,632.72
6. Step 6: Final answer
   x = 154,245.70