Finding the Fourth Proportional to 323,976.94, 485,932.59 and 87,343.54

Step by Step Solution

1. Step 1: Write the proportion equation
   323,976.94 : 485,932.59 = 87,343.54 : x
2. Step 2: Convert to fraction form
   323,976.94/485,932.59 = 87,343.54/x
3. Step 3: Cross multiply
   323,976.94x = 485,932.59 × 87,343.54
4. Step 4: Simplify right side
   323,976.94x = 42,443,072,611.97
5. Step 5: Solve for x
   x = 42,443,072,611.97/323,976.94
6. Step 6: Final answer
   x = 131,006.46