Finding the Fourth Proportional to 89,375.15, 123,307.69 and 50,607.69

Step by Step Solution

1. Step 1: Write the proportion equation
   89,375.15 : 123,307.69 = 50,607.69 : x
2. Step 2: Convert to fraction form
   89,375.15/123,307.69 = 50,607.69/x
3. Step 3: Cross multiply
   89,375.15x = 123,307.69 × 50,607.69
4. Step 4: Simplify right side
   89,375.15x = 6,240,317,350.14
5. Step 5: Solve for x
   x = 6,240,317,350.14/89,375.15
6. Step 6: Final answer
   x = 69,821.62