Finding the Fourth Proportional to 108,215.78, 162,356.38 and 52,039.94

Step by Step Solution

1. Step 1: Write the proportion equation
   108,215.78 : 162,356.38 = 52,039.94 : x
2. Step 2: Convert to fraction form
   108,215.78/162,356.38 = 52,039.94/x
3. Step 3: Cross multiply
   108,215.78x = 162,356.38 × 52,039.94
4. Step 4: Simplify right side
   108,215.78x = 8,449,016,273.82
5. Step 5: Solve for x
   x = 8,449,016,273.82/108,215.78
6. Step 6: Final answer
   x = 78,075.64