Finding the Fourth Proportional to 118,141.35, 163,039.37 and 67,162.68

Step by Step Solution

1. Step 1: Write the proportion equation
   118,141.35 : 163,039.37 = 67,162.68 : x
2. Step 2: Convert to fraction form
   118,141.35/163,039.37 = 67,162.68/x
3. Step 3: Cross multiply
   118,141.35x = 163,039.37 × 67,162.68
4. Step 4: Simplify right side
   118,141.35x = 10,950,160,698.90
5. Step 5: Solve for x
   x = 10,950,160,698.90/118,141.35
6. Step 6: Final answer
   x = 92,686.95