Finding the Fourth Proportional to 105,845.92, 146,069.04 and 58,103.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,845.92 : 146,069.04 = 58,103.68 : x
2. Step 2: Convert to fraction form
   105,845.92/146,069.04 = 58,103.68/x
3. Step 3: Cross multiply
   105,845.92x = 146,069.04 × 58,103.68
4. Step 4: Simplify right side
   105,845.92x = 8,487,148,758.07
5. Step 5: Solve for x
   x = 8,487,148,758.07/105,845.92
6. Step 6: Final answer
   x = 80,184.00