Finding the Fourth Proportional to 282,167.18, 389,401.94 and 154,847.33

Step by Step Solution

1. Step 1: Write the proportion equation
   282,167.18 : 389,401.94 = 154,847.33 : x
2. Step 2: Convert to fraction form
   282,167.18/389,401.94 = 154,847.33/x
3. Step 3: Cross multiply
   282,167.18x = 389,401.94 × 154,847.33
4. Step 4: Simplify right side
   282,167.18x = 60,297,850,705.82
5. Step 5: Solve for x
   x = 60,297,850,705.82/282,167.18
6. Step 6: Final answer
   x = 213,695.48