Finding the Fourth Proportional to 112,456.60, 155,164.52 and 67,149.24

Step by Step Solution

1. Step 1: Write the proportion equation
   112,456.60 : 155,164.52 = 67,149.24 : x
2. Step 2: Convert to fraction form
   112,456.60/155,164.52 = 67,149.24/x
3. Step 3: Cross multiply
   112,456.60x = 155,164.52 × 67,149.24
4. Step 4: Simplify right side
   112,456.60x = 10,419,179,592.96
5. Step 5: Solve for x
   x = 10,419,179,592.96/112,456.60
6. Step 6: Final answer
   x = 92,650.67