Finding the Fourth Proportional to 105,826.40, 146,035.86 and 58,080.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,826.40 : 146,035.86 = 58,080.56 : x
2. Step 2: Convert to fraction form
   105,826.40/146,035.86 = 58,080.56/x
3. Step 3: Cross multiply
   105,826.40x = 146,035.86 × 58,080.56
4. Step 4: Simplify right side
   105,826.40x = 8,481,844,528.88
5. Step 5: Solve for x
   x = 8,481,844,528.88/105,826.40
6. Step 6: Final answer
   x = 80,148.66