Finding the Fourth Proportional to 105,154.82, 145,111.72 and 59,831.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,154.82 : 145,111.72 = 59,831.82 : x
2. Step 2: Convert to fraction form
   105,154.82/145,111.72 = 59,831.82/x
3. Step 3: Cross multiply
   105,154.82x = 145,111.72 × 59,831.82
4. Step 4: Simplify right side
   105,154.82x = 8,682,298,310.93
5. Step 5: Solve for x
   x = 8,682,298,310.93/105,154.82
6. Step 6: Final answer
   x = 82,566.81