Finding the Fourth Proportional to 111,822.36, 154,313.58 and 83,269.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,822.36 : 154,313.58 = 83,269.72 : x
2. Step 2: Convert to fraction form
   111,822.36/154,313.58 = 83,269.72/x
3. Step 3: Cross multiply
   111,822.36x = 154,313.58 × 83,269.72
4. Step 4: Simplify right side
   111,822.36x = 12,849,648,598.80
5. Step 5: Solve for x
   x = 12,849,648,598.80/111,822.36
6. Step 6: Final answer
   x = 114,911.26