Finding the Fourth Proportional to 204,287.27, 281,883.78 and 113,643

Step by Step Solution

1. Step 1: Write the proportion equation
   204,287.27 : 281,883.78 = 113,643 : x
2. Step 2: Convert to fraction form
   204,287.27/281,883.78 = 113,643/x
3. Step 3: Cross multiply
   204,287.27x = 281,883.78 × 113,643
4. Step 4: Simplify right side
   204,287.27x = 32,034,118,410.54
5. Step 5: Solve for x
   x = 32,034,118,410.54/204,287.27
6. Step 6: Final answer
   x = 156,809.18