Finding the Fourth Proportional to 105,905.00, 146,149.83 and 58,158.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,905.00 : 146,149.83 = 58,158.68 : x
2. Step 2: Convert to fraction form
   105,905.00/146,149.83 = 58,158.68/x
3. Step 3: Cross multiply
   105,905.00x = 146,149.83 × 58,158.68
4. Step 4: Simplify right side
   105,905.00x = 8,499,880,464.28
5. Step 5: Solve for x
   x = 8,499,880,464.28/105,905.00
6. Step 6: Final answer
   x = 80,259.48