Finding the Fourth Proportional to 112,458.10, 155,166.60 and 67,150.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,458.10 : 155,166.60 = 67,150.76 : x
2. Step 2: Convert to fraction form
   112,458.10/155,166.60 = 67,150.76/x
3. Step 3: Cross multiply
   112,458.10x = 155,166.60 × 67,150.76
4. Step 4: Simplify right side
   112,458.10x = 10,419,555,116.62
5. Step 5: Solve for x
   x = 10,419,555,116.62/112,458.10
6. Step 6: Final answer
   x = 92,652.78