Finding the Fourth Proportional to 89,425.05, 123,404 and 50,659.26

Step by Step Solution

1. Step 1: Write the proportion equation
   89,425.05 : 123,404 = 50,659.26 : x
2. Step 2: Convert to fraction form
   89,425.05/123,404 = 50,659.26/x
3. Step 3: Cross multiply
   89,425.05x = 123,404 × 50,659.26
4. Step 4: Simplify right side
   89,425.05x = 6,251,555,321.04
5. Step 5: Solve for x
   x = 6,251,555,321.04/89,425.05
6. Step 6: Final answer
   x = 69,908.32