Finding the Fourth Proportional to 108,464.01, 162,945.77 and 76,952.31

Step by Step Solution

1. Step 1: Write the proportion equation
   108,464.01 : 162,945.77 = 76,952.31 : x
2. Step 2: Convert to fraction form
   108,464.01/162,945.77 = 76,952.31/x
3. Step 3: Cross multiply
   108,464.01x = 162,945.77 × 76,952.31
4. Step 4: Simplify right side
   108,464.01x = 12,539,053,021.47
5. Step 5: Solve for x
   x = 12,539,053,021.47/108,464.01
6. Step 6: Final answer
   x = 115,605.66