Finding the Fourth Proportional to 693,147.46, 1,039,839.41 and 309,035.69

Step by Step Solution

1. Step 1: Write the proportion equation
   693,147.46 : 1,039,839.41 = 309,035.69 : x
2. Step 2: Convert to fraction form
   693,147.46/1,039,839.41 = 309,035.69/x
3. Step 3: Cross multiply
   693,147.46x = 1,039,839.41 × 309,035.69
4. Step 4: Simplify right side
   693,147.46x = 321,347,482,814.17
5. Step 5: Solve for x
   x = 321,347,482,814.17/693,147.46
6. Step 6: Final answer
   x = 463,606.23