Finding the Fourth Proportional to 118,151.25, 163,042.22 and 67,156.89

Step by Step Solution

1. Step 1: Write the proportion equation
   118,151.25 : 163,042.22 = 67,156.89 : x
2. Step 2: Convert to fraction form
   118,151.25/163,042.22 = 67,156.89/x
3. Step 3: Cross multiply
   118,151.25x = 163,042.22 × 67,156.89
4. Step 4: Simplify right side
   118,151.25x = 10,949,407,612.62
5. Step 5: Solve for x
   x = 10,949,407,612.62/118,151.25
6. Step 6: Final answer
   x = 92,672.81