Finding the Fourth Proportional to 89,758.91, 123,874.42 and 49,479.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,758.91 : 123,874.42 = 49,479.84 : x
2. Step 2: Convert to fraction form
   89,758.91/123,874.42 = 49,479.84/x
3. Step 3: Cross multiply
   89,758.91x = 123,874.42 × 49,479.84
4. Step 4: Simplify right side
   89,758.91x = 6,129,286,481.69
5. Step 5: Solve for x
   x = 6,129,286,481.69/89,758.91
6. Step 6: Final answer
   x = 68,286.11