Finding the Fourth Proportional to 118,152.56, 163,044.05 and 67,158.20

Step by Step Solution

1. Step 1: Write the proportion equation
   118,152.56 : 163,044.05 = 67,158.20 : x
2. Step 2: Convert to fraction form
   118,152.56/163,044.05 = 67,158.20/x
3. Step 3: Cross multiply
   118,152.56x = 163,044.05 × 67,158.20
4. Step 4: Simplify right side
   118,152.56x = 10,949,744,918.71
5. Step 5: Solve for x
   x = 10,949,744,918.71/118,152.56
6. Step 6: Final answer
   x = 92,674.63