Finding the Fourth Proportional to 105,991.79, 146,276.82 and 60,684.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,991.79 : 146,276.82 = 60,684.03 : x
2. Step 2: Convert to fraction form
   105,991.79/146,276.82 = 60,684.03/x
3. Step 3: Cross multiply
   105,991.79x = 146,276.82 × 60,684.03
4. Step 4: Simplify right side
   105,991.79x = 8,876,666,933.18
5. Step 5: Solve for x
   x = 8,876,666,933.18/105,991.79
6. Step 6: Final answer
   x = 83,748.63