Finding the Fourth Proportional to 89,808, 123,940.26 and 49,530.33

Step by Step Solution

1. Step 1: Write the proportion equation
   89,808 : 123,940.26 = 49,530.33 : x
2. Step 2: Convert to fraction form
   89,808/123,940.26 = 49,530.33/x
3. Step 3: Cross multiply
   89,808x = 123,940.26 × 49,530.33
4. Step 4: Simplify right side
   89,808x = 6,138,801,978.09
5. Step 5: Solve for x
   x = 6,138,801,978.09/89,808
6. Step 6: Final answer
   x = 68,354.73