Finding the Fourth Proportional to 105,930.72, 146,185.02 and 58,182.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,930.72 : 146,185.02 = 58,182.84 : x
2. Step 2: Convert to fraction form
   105,930.72/146,185.02 = 58,182.84/x
3. Step 3: Cross multiply
   105,930.72x = 146,185.02 × 58,182.84
4. Step 4: Simplify right side
   105,930.72x = 8,505,459,629.06
5. Step 5: Solve for x
   x = 8,505,459,629.06/105,930.72
6. Step 6: Final answer
   x = 80,292.66