Finding the Fourth Proportional to 105,876.82, 146,178.41 and 65,633.28

Step by Step Solution

1. Step 1: Write the proportion equation
   105,876.82 : 146,178.41 = 65,633.28 : x
2. Step 2: Convert to fraction form
   105,876.82/146,178.41 = 65,633.28/x
3. Step 3: Cross multiply
   105,876.82x = 146,178.41 × 65,633.28
4. Step 4: Simplify right side
   105,876.82x = 9,594,168,185.32
5. Step 5: Solve for x
   x = 9,594,168,185.32/105,876.82
6. Step 6: Final answer
   x = 90,616.33