Finding the Fourth Proportional to 105,985.28, 146,267.82 and 60,677.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,985.28 : 146,267.82 = 60,677.48 : x
2. Step 2: Convert to fraction form
   105,985.28/146,267.82 = 60,677.48/x
3. Step 3: Cross multiply
   105,985.28x = 146,267.82 × 60,677.48
4. Step 4: Simplify right side
   105,985.28x = 8,875,161,991.35
5. Step 5: Solve for x
   x = 8,875,161,991.35/105,985.28
6. Step 6: Final answer
   x = 83,739.58