Finding the Fourth Proportional to 111,596.82, 153,986.31 and 71,346.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,596.82 : 153,986.31 = 71,346.30 : x
2. Step 2: Convert to fraction form
   111,596.82/153,986.31 = 71,346.30/x
3. Step 3: Cross multiply
   111,596.82x = 153,986.31 × 71,346.30
4. Step 4: Simplify right side
   111,596.82x = 10,986,353,469.15
5. Step 5: Solve for x
   x = 10,986,353,469.15/111,596.82
6. Step 6: Final answer
   x = 98,446.83