Finding the Fourth Proportional to 105,947.46, 146,209.32 and 58,202.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,947.46 : 146,209.32 = 58,202.82 : x
2. Step 2: Convert to fraction form
   105,947.46/146,209.32 = 58,202.82/x
3. Step 3: Cross multiply
   105,947.46x = 146,209.32 × 58,202.82
4. Step 4: Simplify right side
   105,947.46x = 8,509,794,734.28
5. Step 5: Solve for x
   x = 8,509,794,734.28/105,947.46
6. Step 6: Final answer
   x = 80,320.89