Finding the Fourth Proportional to 104,854.10, 157,149.82 and 82,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,854.10 : 157,149.82 = 82,579.50 : x
2. Step 2: Convert to fraction form
   104,854.10/157,149.82 = 82,579.50/x
3. Step 3: Cross multiply
   104,854.10x = 157,149.82 × 82,579.50
4. Step 4: Simplify right side
   104,854.10x = 12,977,353,663.91
5. Step 5: Solve for x
   x = 12,977,353,663.91/104,854.10
6. Step 6: Final answer
   x = 123,765.83