Finding the Fourth Proportional to 54,062.10, 81,498.69 and 50,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,062.10 : 81,498.69 = 50,449.50 : x
2. Step 2: Convert to fraction form
   54,062.10/81,498.69 = 50,449.50/x
3. Step 3: Cross multiply
   54,062.10x = 81,498.69 × 50,449.50
4. Step 4: Simplify right side
   54,062.10x = 4,111,568,161.16
5. Step 5: Solve for x
   x = 4,111,568,161.16/54,062.10
6. Step 6: Final answer
   x = 76,052.69