Finding the Fourth Proportional to 105,767.27, 145,935.93 and 67,016.36

Step by Step Solution

1. Step 1: Write the proportion equation
   105,767.27 : 145,935.93 = 67,016.36 : x
2. Step 2: Convert to fraction form
   105,767.27/145,935.93 = 67,016.36/x
3. Step 3: Cross multiply
   105,767.27x = 145,935.93 × 67,016.36
4. Step 4: Simplify right side
   105,767.27x = 9,780,095,061.00
5. Step 5: Solve for x
   x = 9,780,095,061.00/105,767.27
6. Step 6: Final answer
   x = 92,468.07