Finding the Fourth Proportional to 111,157.72, 153,383.37 and 63,408.22

Step by Step Solution

1. Step 1: Write the proportion equation
   111,157.72 : 153,383.37 = 63,408.22 : x
2. Step 2: Convert to fraction form
   111,157.72/153,383.37 = 63,408.22/x
3. Step 3: Cross multiply
   111,157.72x = 153,383.37 × 63,408.22
4. Step 4: Simplify right side
   111,157.72x = 9,725,766,469.30
5. Step 5: Solve for x
   x = 9,725,766,469.30/111,157.72
6. Step 6: Final answer
   x = 87,495.20