Finding the Fourth Proportional to 111,771.52, 154,231.77 and 64,022.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,771.52 : 154,231.77 = 64,022.02 : x
2. Step 2: Convert to fraction form
   111,771.52/154,231.77 = 64,022.02/x
3. Step 3: Cross multiply
   111,771.52x = 154,231.77 × 64,022.02
4. Step 4: Simplify right side
   111,771.52x = 9,874,229,463.58
5. Step 5: Solve for x
   x = 9,874,229,463.58/111,771.52
6. Step 6: Final answer
   x = 88,342.98