Finding the Fourth Proportional to 111,306.71, 166,958.28 and 35,404.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,306.71 : 166,958.28 = 35,404.16 : x
2. Step 2: Convert to fraction form
   111,306.71/166,958.28 = 35,404.16/x
3. Step 3: Cross multiply
   111,306.71x = 166,958.28 × 35,404.16
4. Step 4: Simplify right side
   111,306.71x = 5,911,017,658.44
5. Step 5: Solve for x
   x = 5,911,017,658.44/111,306.71
6. Step 6: Final answer
   x = 53,105.67