Finding the Fourth Proportional to 89,452.94, 123,446.32 and 49,170.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,452.94 : 123,446.32 = 49,170.42 : x
2. Step 2: Convert to fraction form
   89,452.94/123,446.32 = 49,170.42/x
3. Step 3: Cross multiply
   89,452.94x = 123,446.32 × 49,170.42
4. Step 4: Simplify right side
   89,452.94x = 6,069,907,278.93
5. Step 5: Solve for x
   x = 6,069,907,278.93/89,452.94
6. Step 6: Final answer
   x = 67,855.88