Finding the Fourth Proportional to 118,158.56, 163,052.32 and 67,164.20

Step by Step Solution

1. Step 1: Write the proportion equation
   118,158.56 : 163,052.32 = 67,164.20 : x
2. Step 2: Convert to fraction form
   118,158.56/163,052.32 = 67,164.20/x
3. Step 3: Cross multiply
   118,158.56x = 163,052.32 × 67,164.20
4. Step 4: Simplify right side
   118,158.56x = 10,951,278,630.94
5. Step 5: Solve for x
   x = 10,951,278,630.94/118,158.56
6. Step 6: Final answer
   x = 92,682.91