Finding the Fourth Proportional to 89,173.68, 123,061.96 and 50,408.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,173.68 : 123,061.96 = 50,408.38 : x
2. Step 2: Convert to fraction form
   89,173.68/123,061.96 = 50,408.38/x
3. Step 3: Cross multiply
   89,173.68x = 123,061.96 × 50,408.38
4. Step 4: Simplify right side
   89,173.68x = 6,203,354,043.22
5. Step 5: Solve for x
   x = 6,203,354,043.22/89,173.68
6. Step 6: Final answer
   x = 69,564.85