Finding the Fourth Proportional to 105,761.03, 145,940.94 and 60,429.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,761.03 : 145,940.94 = 60,429.96 : x
2. Step 2: Convert to fraction form
   105,761.03/145,940.94 = 60,429.96/x
3. Step 3: Cross multiply
   105,761.03x = 145,940.94 × 60,429.96
4. Step 4: Simplify right side
   105,761.03x = 8,819,205,166.56
5. Step 5: Solve for x
   x = 8,819,205,166.56/105,761.03
6. Step 6: Final answer
   x = 83,388.05