Finding the Fourth Proportional to 106,046.73, 146,340.72 and 58,299.75

Step by Step Solution

1. Step 1: Write the proportion equation
   106,046.73 : 146,340.72 = 58,299.75 : x
2. Step 2: Convert to fraction form
   106,046.73/146,340.72 = 58,299.75/x
3. Step 3: Cross multiply
   106,046.73x = 146,340.72 × 58,299.75
4. Step 4: Simplify right side
   106,046.73x = 8,531,627,390.82
5. Step 5: Solve for x
   x = 8,531,627,390.82/106,046.73
6. Step 6: Final answer
   x = 80,451.58