Finding the Fourth Proportional to 105,932.72, 146,187.78 and 58,184.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,932.72 : 146,187.78 = 58,184.84 : x
2. Step 2: Convert to fraction form
   105,932.72/146,187.78 = 58,184.84/x
3. Step 3: Cross multiply
   105,932.72x = 146,187.78 × 58,184.84
4. Step 4: Simplify right side
   105,932.72x = 8,505,912,589.26
5. Step 5: Solve for x
   x = 8,505,912,589.26/105,932.72
6. Step 6: Final answer
   x = 80,295.42