Finding the Fourth Proportional to 89,504.50, 123,513.58 and 49,218.22

Step by Step Solution

1. Step 1: Write the proportion equation
   89,504.50 : 123,513.58 = 49,218.22 : x
2. Step 2: Convert to fraction form
   89,504.50/123,513.58 = 49,218.22/x
3. Step 3: Cross multiply
   89,504.50x = 123,513.58 × 49,218.22
4. Step 4: Simplify right side
   89,504.50x = 6,079,118,553.43
5. Step 5: Solve for x
   x = 6,079,118,553.43/89,504.50
6. Step 6: Final answer
   x = 67,919.70