Finding the Fourth Proportional to 108,384.80, 162,366.89 and 79,870.01

Step by Step Solution

1. Step 1: Write the proportion equation
   108,384.80 : 162,366.89 = 79,870.01 : x
2. Step 2: Convert to fraction form
   108,384.80/162,366.89 = 79,870.01/x
3. Step 3: Cross multiply
   108,384.80x = 162,366.89 × 79,870.01
4. Step 4: Simplify right side
   108,384.80x = 12,968,245,134.54
5. Step 5: Solve for x
   x = 12,968,245,134.54/108,384.80
6. Step 6: Final answer
   x = 119,650.04