Finding the Fourth Proportional to 105,819.71, 146,033.97 and 60,505.07

Step by Step Solution

1. Step 1: Write the proportion equation
   105,819.71 : 146,033.97 = 60,505.07 : x
2. Step 2: Convert to fraction form
   105,819.71/146,033.97 = 60,505.07/x
3. Step 3: Cross multiply
   105,819.71x = 146,033.97 × 60,505.07
4. Step 4: Simplify right side
   105,819.71x = 8,835,795,577.23
5. Step 5: Solve for x
   x = 8,835,795,577.23/105,819.71
6. Step 6: Final answer
   x = 83,498.58