Finding the Fourth Proportional to 89,469.39, 123,467.72 and 49,185.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,469.39 : 123,467.72 = 49,185.75 : x
2. Step 2: Convert to fraction form
   89,469.39/123,467.72 = 49,185.75/x
3. Step 3: Cross multiply
   89,469.39x = 123,467.72 × 49,185.75
4. Step 4: Simplify right side
   89,469.39x = 6,072,852,163.06
5. Step 5: Solve for x
   x = 6,072,852,163.06/89,469.39
6. Step 6: Final answer
   x = 67,876.31