Finding the Fourth Proportional to 105,016.38, 144,924.84 and 59,074.80

Step by Step Solution

1. Step 1: Write the proportion equation
   105,016.38 : 144,924.84 = 59,074.80 : x
2. Step 2: Convert to fraction form
   105,016.38/144,924.84 = 59,074.80/x
3. Step 3: Cross multiply
   105,016.38x = 144,924.84 × 59,074.80
4. Step 4: Simplify right side
   105,016.38x = 8,561,405,938.03
5. Step 5: Solve for x
   x = 8,561,405,938.03/105,016.38
6. Step 6: Final answer
   x = 81,524.48