Finding the Fourth Proportional to 105,826.46, 146,035.83 and 58,079.90

Step by Step Solution

1. Step 1: Write the proportion equation
   105,826.46 : 146,035.83 = 58,079.90 : x
2. Step 2: Convert to fraction form
   105,826.46/146,035.83 = 58,079.90/x
3. Step 3: Cross multiply
   105,826.46x = 146,035.83 × 58,079.90
4. Step 4: Simplify right side
   105,826.46x = 8,481,746,402.82
5. Step 5: Solve for x
   x = 8,481,746,402.82/105,826.46
6. Step 6: Final answer
   x = 80,147.69