Finding the Fourth Proportional to 89,785.84, 123,902.18 and 49,498.67

Step by Step Solution

1. Step 1: Write the proportion equation
   89,785.84 : 123,902.18 = 49,498.67 : x
2. Step 2: Convert to fraction form
   89,785.84/123,902.18 = 49,498.67/x
3. Step 3: Cross multiply
   89,785.84x = 123,902.18 × 49,498.67
4. Step 4: Simplify right side
   89,785.84x = 6,132,993,120.10
5. Step 5: Solve for x
   x = 6,132,993,120.10/89,785.84
6. Step 6: Final answer
   x = 68,306.91