Finding the Fourth Proportional to 75,105, 103,616.28 and 49,623.48

Step by Step Solution

1. Step 1: Write the proportion equation
   75,105 : 103,616.28 = 49,623.48 : x
2. Step 2: Convert to fraction form
   75,105/103,616.28 = 49,623.48/x
3. Step 3: Cross multiply
   75,105x = 103,616.28 × 49,623.48
4. Step 4: Simplify right side
   75,105x = 5,141,800,398.25
5. Step 5: Solve for x
   x = 5,141,800,398.25/75,105
6. Step 6: Final answer
   x = 68,461.49