Finding the Fourth Proportional to 300,860.52, 450,816.06 and 111,059.72

Step by Step Solution

1. Step 1: Write the proportion equation
   300,860.52 : 450,816.06 = 111,059.72 : x
2. Step 2: Convert to fraction form
   300,860.52/450,816.06 = 111,059.72/x
3. Step 3: Cross multiply
   300,860.52x = 450,816.06 × 111,059.72
4. Step 4: Simplify right side
   300,860.52x = 50,067,505,395.10
5. Step 5: Solve for x
   x = 50,067,505,395.10/300,860.52
6. Step 6: Final answer
   x = 166,414.34