Finding the Fourth Proportional to 1,182,923.09, 1,775,647.69 and 509,337.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,923.09 : 1,775,647.69 = 509,337.89 : x
2. Step 2: Convert to fraction form
   1,182,923.09/1,775,647.69 = 509,337.89/x
3. Step 3: Cross multiply
   1,182,923.09x = 1,775,647.69 × 509,337.89
4. Step 4: Simplify right side
   1,182,923.09x = 904,404,636,383.05
5. Step 5: Solve for x
   x = 904,404,636,383.05/1,182,923.09
6. Step 6: Final answer
   x = 764,550.67