Finding the Fourth Proportional to 105,802.76, 146,007.82 and 60,481.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,802.76 : 146,007.82 = 60,481.72 : x
2. Step 2: Convert to fraction form
   105,802.76/146,007.82 = 60,481.72/x
3. Step 3: Cross multiply
   105,802.76x = 146,007.82 × 60,481.72
4. Step 4: Simplify right side
   105,802.76x = 8,830,804,087.05
5. Step 5: Solve for x
   x = 8,830,804,087.05/105,802.76
6. Step 6: Final answer
   x = 83,464.78