Finding the Fourth Proportional to 89,469.60, 123,468.45 and 49,185.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,469.60 : 123,468.45 = 49,185.96 : x
2. Step 2: Convert to fraction form
   89,469.60/123,468.45 = 49,185.96/x
3. Step 3: Cross multiply
   89,469.60x = 123,468.45 × 49,185.96
4. Step 4: Simplify right side
   89,469.60x = 6,072,914,242.96
5. Step 5: Solve for x
   x = 6,072,914,242.96/89,469.60
6. Step 6: Final answer
   x = 67,876.85