Finding the Fourth Proportional to 105,822.84, 146,039.07 and 58,078.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105,822.84 : 146,039.07 = 58,078.83 : x
2. Step 2: Convert to fraction form
   105,822.84/146,039.07 = 58,078.83/x
3. Step 3: Cross multiply
   105,822.84x = 146,039.07 × 58,078.83
4. Step 4: Simplify right side
   105,822.84x = 8,481,778,319.89
5. Step 5: Solve for x
   x = 8,481,778,319.89/105,822.84
6. Step 6: Final answer
   x = 80,150.73