Finding the Fourth Proportional to 111,455.69, 153,805.83 and 67,831.85

Step by Step Solution

1. Step 1: Write the proportion equation
   111,455.69 : 153,805.83 = 67,831.85 : x
2. Step 2: Convert to fraction form
   111,455.69/153,805.83 = 67,831.85/x
3. Step 3: Cross multiply
   111,455.69x = 153,805.83 × 67,831.85
4. Step 4: Simplify right side
   111,455.69x = 10,432,933,989.69
5. Step 5: Solve for x
   x = 10,432,933,989.69/111,455.69
6. Step 6: Final answer
   x = 93,606.11