Finding the Fourth Proportional to 89,469.36, 123,468.12 and 49,185.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,469.36 : 123,468.12 = 49,185.72 : x
2. Step 2: Convert to fraction form
   89,469.36/123,468.12 = 49,185.72/x
3. Step 3: Cross multiply
   89,469.36x = 123,468.12 × 49,185.72
4. Step 4: Simplify right side
   89,469.36x = 6,072,868,379.25
5. Step 5: Solve for x
   x = 6,072,868,379.25/89,469.36
6. Step 6: Final answer
   x = 67,876.52