Finding the Fourth Proportional to 105,091.83, 145,029.92 and 59,776.33

Step by Step Solution

1. Step 1: Write the proportion equation
   105,091.83 : 145,029.92 = 59,776.33 : x
2. Step 2: Convert to fraction form
   105,091.83/145,029.92 = 59,776.33/x
3. Step 3: Cross multiply
   105,091.83x = 145,029.92 × 59,776.33
4. Step 4: Simplify right side
   105,091.83x = 8,669,356,357.79
5. Step 5: Solve for x
   x = 8,669,356,357.79/105,091.83
6. Step 6: Final answer
   x = 82,493.15