Finding the Fourth Proportional to 312,665.92, 468,995.43 and 76,008.82

Step by Step Solution

1. Step 1: Write the proportion equation
   312,665.92 : 468,995.43 = 76,008.82 : x
2. Step 2: Convert to fraction form
   312,665.92/468,995.43 = 76,008.82/x
3. Step 3: Cross multiply
   312,665.92x = 468,995.43 × 76,008.82
4. Step 4: Simplify right side
   312,665.92x = 35,647,789,219.69
5. Step 5: Solve for x
   x = 35,647,789,219.69/312,665.92
6. Step 6: Final answer
   x = 114,012.39