Finding the Fourth Proportional to 72,581.08, 108,884.37 and 33,142.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,581.08 : 108,884.37 = 33,142.18 : x
2. Step 2: Convert to fraction form
   72,581.08/108,884.37 = 33,142.18/x
3. Step 3: Cross multiply
   72,581.08x = 108,884.37 × 33,142.18
4. Step 4: Simplify right side
   72,581.08x = 3,608,665,389.73
5. Step 5: Solve for x
   x = 3,608,665,389.73/72,581.08
6. Step 6: Final answer
   x = 49,719.09