Finding the Fourth Proportional to 282,007.82, 389,168.68 and 154,682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,007.82 : 389,168.68 = 154,682.50 : x
2. Step 2: Convert to fraction form
   282,007.82/389,168.68 = 154,682.50/x
3. Step 3: Cross multiply
   282,007.82x = 389,168.68 × 154,682.50
4. Step 4: Simplify right side
   282,007.82x = 60,197,584,344.10
5. Step 5: Solve for x
   x = 60,197,584,344.10/282,007.82
6. Step 6: Final answer
   x = 213,460.69