Finding the Fourth Proportional to 105,109.09, 145,053.72 and 59,793.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,109.09 : 145,053.72 = 59,793.57 : x
2. Step 2: Convert to fraction form
   105,109.09/145,053.72 = 59,793.57/x
3. Step 3: Cross multiply
   105,109.09x = 145,053.72 × 59,793.57
4. Step 4: Simplify right side
   105,109.09x = 8,673,279,760.58
5. Step 5: Solve for x
   x = 8,673,279,760.58/105,109.09
6. Step 6: Final answer
   x = 82,516.94