Finding the Fourth Proportional to 497,515.50, 746,389.89 and 165,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   497,515.50 : 746,389.89 = 165,091.50 : x
2. Step 2: Convert to fraction form
   497,515.50/746,389.89 = 165,091.50/x
3. Step 3: Cross multiply
   497,515.50x = 746,389.89 × 165,091.50
4. Step 4: Simplify right side
   497,515.50x = 123,222,626,524.94
5. Step 5: Solve for x
   x = 123,222,626,524.94/497,515.50
6. Step 6: Final answer
   x = 247,675.95