Finding the Fourth Proportional to 111,067.98, 153,270 and 63,336.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,067.98 : 153,270 = 63,336.69 : x
2. Step 2: Convert to fraction form
   111,067.98/153,270 = 63,336.69/x
3. Step 3: Cross multiply
   111,067.98x = 153,270 × 63,336.69
4. Step 4: Simplify right side
   111,067.98x = 9,707,614,476.30
5. Step 5: Solve for x
   x = 9,707,614,476.30/111,067.98
6. Step 6: Final answer
   x = 87,402.46