Finding the Fourth Proportional to 197,097.49, 271,978.72 and 111,052.81

Step by Step Solution

1. Step 1: Write the proportion equation
   197,097.49 : 271,978.72 = 111,052.81 : x
2. Step 2: Convert to fraction form
   197,097.49/271,978.72 = 111,052.81/x
3. Step 3: Cross multiply
   197,097.49x = 271,978.72 × 111,052.81
4. Step 4: Simplify right side
   197,097.49x = 30,204,001,116.20
5. Step 5: Solve for x
   x = 30,204,001,116.20/197,097.49
6. Step 6: Final answer
   x = 153,243.97