Finding the Fourth Proportional to 262,766.40, 362,617.98 and 149,589

Step by Step Solution

1. Step 1: Write the proportion equation
   262,766.40 : 362,617.98 = 149,589 : x
2. Step 2: Convert to fraction form
   262,766.40/362,617.98 = 149,589/x
3. Step 3: Cross multiply
   262,766.40x = 362,617.98 × 149,589
4. Step 4: Simplify right side
   262,766.40x = 54,243,661,010.22
5. Step 5: Solve for x
   x = 54,243,661,010.22/262,766.40
6. Step 6: Final answer
   x = 206,433.02