Finding the Fourth Proportional to 281,598.72, 422,399.52 and 71,236.84

Step by Step Solution

1. Step 1: Write the proportion equation
   281,598.72 : 422,399.52 = 71,236.84 : x
2. Step 2: Convert to fraction form
   281,598.72/422,399.52 = 71,236.84/x
3. Step 3: Cross multiply
   281,598.72x = 422,399.52 × 71,236.84
4. Step 4: Simplify right side
   281,598.72x = 30,090,407,022.32
5. Step 5: Solve for x
   x = 30,090,407,022.32/281,598.72
6. Step 6: Final answer
   x = 106,855.62