Finding the Fourth Proportional to 89,806.39, 123,933.69 and 49,521.58

Step by Step Solution

1. Step 1: Write the proportion equation
   89,806.39 : 123,933.69 = 49,521.58 : x
2. Step 2: Convert to fraction form
   89,806.39/123,933.69 = 49,521.58/x
3. Step 3: Cross multiply
   89,806.39x = 123,933.69 × 49,521.58
4. Step 4: Simplify right side
   89,806.39x = 6,137,391,834.20
5. Step 5: Solve for x
   x = 6,137,391,834.20/89,806.39
6. Step 6: Final answer
   x = 68,340.26