Finding the Fourth Proportional to 89,426, 123,407.88 and 49,682

Step by Step Solution

1. Step 1: Write the proportion equation
   89,426 : 123,407.88 = 49,682 : x
2. Step 2: Convert to fraction form
   89,426/123,407.88 = 49,682/x
3. Step 3: Cross multiply
   89,426x = 123,407.88 × 49,682
4. Step 4: Simplify right side
   89,426x = 6,131,150,294.16
5. Step 5: Solve for x
   x = 6,131,150,294.16/89,426
6. Step 6: Final answer
   x = 68,561.16