Finding the Fourth Proportional to 111,479.97, 153,798.56 and 63,707.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,479.97 : 153,798.56 = 63,707.69 : x
2. Step 2: Convert to fraction form
   111,479.97/153,798.56 = 63,707.69/x
3. Step 3: Cross multiply
   111,479.97x = 153,798.56 × 63,707.69
4. Step 4: Simplify right side
   111,479.97x = 9,798,150,134.30
5. Step 5: Solve for x
   x = 9,798,150,134.30/111,479.97
6. Step 6: Final answer
   x = 87,891.58