Finding the Fourth Proportional to 123,338.70, 185,078.52 and 67,176.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,338.70 : 185,078.52 = 67,176.54 : x
2. Step 2: Convert to fraction form
   123,338.70/185,078.52 = 67,176.54/x
3. Step 3: Cross multiply
   123,338.70x = 185,078.52 × 67,176.54
4. Step 4: Simplify right side
   123,338.70x = 12,432,934,601.92
5. Step 5: Solve for x
   x = 12,432,934,601.92/123,338.70
6. Step 6: Final answer
   x = 100,803.19