Finding the Fourth Proportional to 111,651.69, 154,086.23 and 63,904.01

Step by Step Solution

1. Step 1: Write the proportion equation
   111,651.69 : 154,086.23 = 63,904.01 : x
2. Step 2: Convert to fraction form
   111,651.69/154,086.23 = 63,904.01/x
3. Step 3: Cross multiply
   111,651.69x = 154,086.23 × 63,904.01
4. Step 4: Simplify right side
   111,651.69x = 9,846,728,048.48
5. Step 5: Solve for x
   x = 9,846,728,048.48/111,651.69
6. Step 6: Final answer
   x = 88,191.48