Finding the Fourth Proportional to 105,775.98, 145,945.82 and 59,836.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,775.98 : 145,945.82 = 59,836.68 : x
2. Step 2: Convert to fraction form
   105,775.98/145,945.82 = 59,836.68/x
3. Step 3: Cross multiply
   105,775.98x = 145,945.82 × 59,836.68
4. Step 4: Simplify right side
   105,775.98x = 8,732,913,029.49
5. Step 5: Solve for x
   x = 8,732,913,029.49/105,775.98
6. Step 6: Final answer
   x = 82,560.45