Finding the Fourth Proportional to 108,477.29, 162,655 and 74,321.62

Step by Step Solution

1. Step 1: Write the proportion equation
   108,477.29 : 162,655 = 74,321.62 : x
2. Step 2: Convert to fraction form
   108,477.29/162,655 = 74,321.62/x
3. Step 3: Cross multiply
   108,477.29x = 162,655 × 74,321.62
4. Step 4: Simplify right side
   108,477.29x = 12,088,783,101.10
5. Step 5: Solve for x
   x = 12,088,783,101.10/108,477.29
6. Step 6: Final answer
   x = 111,440.68