Finding the Fourth Proportional to 105,832.40, 146,044.12 and 58,086.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,832.40 : 146,044.12 = 58,086.56 : x
2. Step 2: Convert to fraction form
   105,832.40/146,044.12 = 58,086.56/x
3. Step 3: Cross multiply
   105,832.40x = 146,044.12 × 58,086.56
4. Step 4: Simplify right side
   105,832.40x = 8,483,200,539.03
5. Step 5: Solve for x
   x = 8,483,200,539.03/105,832.40
6. Step 6: Final answer
   x = 80,156.93