Finding the Fourth Proportional to 105,188.27, 145,163.34 and 59,255.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,188.27 : 145,163.34 = 59,255.82 : x
2. Step 2: Convert to fraction form
   105,188.27/145,163.34 = 59,255.82/x
3. Step 3: Cross multiply
   105,188.27x = 145,163.34 × 59,255.82
4. Step 4: Simplify right side
   105,188.27x = 8,601,772,745.64
5. Step 5: Solve for x
   x = 8,601,772,745.64/105,188.27
6. Step 6: Final answer
   x = 81,775.02