Finding the Fourth Proportional to 105,072.37, 144,993.93 and 59,761.36

Step by Step Solution

1. Step 1: Write the proportion equation
   105,072.37 : 144,993.93 = 59,761.36 : x
2. Step 2: Convert to fraction form
   105,072.37/144,993.93 = 59,761.36/x
3. Step 3: Cross multiply
   105,072.37x = 144,993.93 × 59,761.36
4. Step 4: Simplify right side
   105,072.37x = 8,665,034,448.54
5. Step 5: Solve for x
   x = 8,665,034,448.54/105,072.37
6. Step 6: Final answer
   x = 82,467.30