Finding the Fourth Proportional to 105,888.92, 146,126.71 and 58,142.27

Step by Step Solution

1. Step 1: Write the proportion equation
   105,888.92 : 146,126.71 = 58,142.27 : x
2. Step 2: Convert to fraction form
   105,888.92/146,126.71 = 58,142.27/x
3. Step 3: Cross multiply
   105,888.92x = 146,126.71 × 58,142.27
4. Step 4: Simplify right side
   105,888.92x = 8,496,137,605.69
5. Step 5: Solve for x
   x = 8,496,137,605.69/105,888.92
6. Step 6: Final answer
   x = 80,236.33