Finding the Fourth Proportional to 784,978.29, 1,082,986.59 and 445,249.71

Step by Step Solution

1. Step 1: Write the proportion equation
   784,978.29 : 1,082,986.59 = 445,249.71 : x
2. Step 2: Convert to fraction form
   784,978.29/1,082,986.59 = 445,249.71/x
3. Step 3: Cross multiply
   784,978.29x = 1,082,986.59 × 445,249.71
4. Step 4: Simplify right side
   784,978.29x = 482,199,465,131.39
5. Step 5: Solve for x
   x = 482,199,465,131.39/784,978.29
6. Step 6: Final answer
   x = 614,283.82