Finding the Fourth Proportional to 105,914.68, 146,162.18 and 58,171.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,914.68 : 146,162.18 = 58,171.04 : x
2. Step 2: Convert to fraction form
   105,914.68/146,162.18 = 58,171.04/x
3. Step 3: Cross multiply
   105,914.68x = 146,162.18 × 58,171.04
4. Step 4: Simplify right side
   105,914.68x = 8,502,406,019.27
5. Step 5: Solve for x
   x = 8,502,406,019.27/105,914.68
6. Step 6: Final answer
   x = 80,275.99