Finding the Fourth Proportional to 111,306.32, 166,957.69 and 35,403.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,306.32 : 166,957.69 = 35,403.75 : x
2. Step 2: Convert to fraction form
   111,306.32/166,957.69 = 35,403.75/x
3. Step 3: Cross multiply
   111,306.32x = 166,957.69 × 35,403.75
4. Step 4: Simplify right side
   111,306.32x = 5,910,928,140.32
5. Step 5: Solve for x
   x = 5,910,928,140.32/111,306.32
6. Step 6: Final answer
   x = 53,105.06