Finding the Fourth Proportional to 105,914.87, 146,162.35 and 58,168.22

Step by Step Solution

1. Step 1: Write the proportion equation
   105,914.87 : 146,162.35 = 58,168.22 : x
2. Step 2: Convert to fraction form
   105,914.87/146,162.35 = 58,168.22/x
3. Step 3: Cross multiply
   105,914.87x = 146,162.35 × 58,168.22
4. Step 4: Simplify right side
   105,914.87x = 8,502,003,730.52
5. Step 5: Solve for x
   x = 8,502,003,730.52/105,914.87
6. Step 6: Final answer
   x = 80,272.05