Finding the Fourth Proportional to 105,833.08, 146,053.38 and 58,087.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,833.08 : 146,053.38 = 58,087.72 : x
2. Step 2: Convert to fraction form
   105,833.08/146,053.38 = 58,087.72/x
3. Step 3: Cross multiply
   105,833.08x = 146,053.38 × 58,087.72
4. Step 4: Simplify right side
   105,833.08x = 8,483,907,842.49
5. Step 5: Solve for x
   x = 8,483,907,842.49/105,833.08
6. Step 6: Final answer
   x = 80,163.10