Finding the Fourth Proportional to 111,411.62, 167,223.56 and 69,163.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,411.62 : 167,223.56 = 69,163.86 : x
2. Step 2: Convert to fraction form
   111,411.62/167,223.56 = 69,163.86/x
3. Step 3: Cross multiply
   111,411.62x = 167,223.56 × 69,163.86
4. Step 4: Simplify right side
   111,411.62x = 11,565,826,892.54
5. Step 5: Solve for x
   x = 11,565,826,892.54/111,411.62
6. Step 6: Final answer
   x = 103,811.68