Finding the Fourth Proportional to 108,410.50, 162,405.32 and 79,895.68

Step by Step Solution

1. Step 1: Write the proportion equation
   108,410.50 : 162,405.32 = 79,895.68 : x
2. Step 2: Convert to fraction form
   108,410.50/162,405.32 = 79,895.68/x
3. Step 3: Cross multiply
   108,410.50x = 162,405.32 × 79,895.68
4. Step 4: Simplify right side
   108,410.50x = 12,975,483,477.02
5. Step 5: Solve for x
   x = 12,975,483,477.02/108,410.50
6. Step 6: Final answer
   x = 119,688.44