Finding the Fourth Proportional to 111,404.97, 153,747.32 and 63,660.33

Step by Step Solution

1. Step 1: Write the proportion equation
   111,404.97 : 153,747.32 = 63,660.33 : x
2. Step 2: Convert to fraction form
   111,404.97/153,747.32 = 63,660.33/x
3. Step 3: Cross multiply
   111,404.97x = 153,747.32 × 63,660.33
4. Step 4: Simplify right side
   111,404.97x = 9,787,604,809.51
5. Step 5: Solve for x
   x = 9,787,604,809.51/111,404.97
6. Step 6: Final answer
   x = 87,856.09