Finding the Fourth Proportional to 118,146.30, 163,042.17 and 67,159.37

Step by Step Solution

1. Step 1: Write the proportion equation
   118,146.30 : 163,042.17 = 67,159.37 : x
2. Step 2: Convert to fraction form
   118,146.30/163,042.17 = 67,159.37/x
3. Step 3: Cross multiply
   118,146.30x = 163,042.17 × 67,159.37
4. Step 4: Simplify right side
   118,146.30x = 10,949,809,420.63
5. Step 5: Solve for x
   x = 10,949,809,420.63/118,146.30
6. Step 6: Final answer
   x = 92,680.09