Finding the Fourth Proportional to 191,256, 263,933.28 and 111,768

Step by Step Solution

1. Step 1: Write the proportion equation
   191,256 : 263,933.28 = 111,768 : x
2. Step 2: Convert to fraction form
   191,256/263,933.28 = 111,768/x
3. Step 3: Cross multiply
   191,256x = 263,933.28 × 111,768
4. Step 4: Simplify right side
   191,256x = 29,499,294,839.04
5. Step 5: Solve for x
   x = 29,499,294,839.04/191,256
6. Step 6: Final answer
   x = 154,239.84