Finding the Fourth Proportional to 108,380.98, 162,361.12 and 79,866.18

Step by Step Solution

1. Step 1: Write the proportion equation
   108,380.98 : 162,361.12 = 79,866.18 : x
2. Step 2: Convert to fraction form
   108,380.98/162,361.12 = 79,866.18/x
3. Step 3: Cross multiply
   108,380.98x = 162,361.12 × 79,866.18
4. Step 4: Simplify right side
   108,380.98x = 12,967,162,434.92
5. Step 5: Solve for x
   x = 12,967,162,434.92/108,380.98
6. Step 6: Final answer
   x = 119,644.26