Finding the Fourth Proportional to 111,847.98, 154,352.78 and 63,453.15

Step by Step Solution

1. Step 1: Write the proportion equation
   111,847.98 : 154,352.78 = 63,453.15 : x
2. Step 2: Convert to fraction form
   111,847.98/154,352.78 = 63,453.15/x
3. Step 3: Cross multiply
   111,847.98x = 154,352.78 × 63,453.15
4. Step 4: Simplify right side
   111,847.98x = 9,794,170,260.89
5. Step 5: Solve for x
   x = 9,794,170,260.89/111,847.98
6. Step 6: Final answer
   x = 87,566.81