Finding the Fourth Proportional to 738,426.69, 1,108,075.83 and 311,934.81

Step by Step Solution

1. Step 1: Write the proportion equation
   738,426.69 : 1,108,075.83 = 311,934.81 : x
2. Step 2: Convert to fraction form
   738,426.69/1,108,075.83 = 311,934.81/x
3. Step 3: Cross multiply
   738,426.69x = 1,108,075.83 × 311,934.81
4. Step 4: Simplify right side
   738,426.69x = 345,647,423,496.64
5. Step 5: Solve for x
   x = 345,647,423,496.64/738,426.69
6. Step 6: Final answer
   x = 468,086.31