Finding the Fourth Proportional to 105,822.28, 146,036.55 and 58,080.07

Step by Step Solution

1. Step 1: Write the proportion equation
   105,822.28 : 146,036.55 = 58,080.07 : x
2. Step 2: Convert to fraction form
   105,822.28/146,036.55 = 58,080.07/x
3. Step 3: Cross multiply
   105,822.28x = 146,036.55 × 58,080.07
4. Step 4: Simplify right side
   105,822.28x = 8,481,813,046.56
5. Step 5: Solve for x
   x = 8,481,813,046.56/105,822.28
6. Step 6: Final answer
   x = 80,151.49