Finding the Fourth Proportional to 105,851.07, 146,078.24 and 58,108.05

Step by Step Solution

1. Step 1: Write the proportion equation
   105,851.07 : 146,078.24 = 58,108.05 : x
2. Step 2: Convert to fraction form
   105,851.07/146,078.24 = 58,108.05/x
3. Step 3: Cross multiply
   105,851.07x = 146,078.24 × 58,108.05
4. Step 4: Simplify right side
   105,851.07x = 8,488,321,383.29
5. Step 5: Solve for x
   x = 8,488,321,383.29/105,851.07
6. Step 6: Final answer
   x = 80,191.17