Finding the Fourth Proportional to 111,391.94, 153,706.67 and 63,648.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,391.94 : 153,706.67 = 63,648.38 : x
2. Step 2: Convert to fraction form
   111,391.94/153,706.67 = 63,648.38/x
3. Step 3: Cross multiply
   111,391.94x = 153,706.67 × 63,648.38
4. Step 4: Simplify right side
   111,391.94x = 9,783,180,540.69
5. Step 5: Solve for x
   x = 9,783,180,540.69/111,391.94
6. Step 6: Final answer
   x = 87,826.65