Finding the Fourth Proportional to 766,401.57, 1,057,634.46 and 444,298.41

Step by Step Solution

1. Step 1: Write the proportion equation
   766,401.57 : 1,057,634.46 = 444,298.41 : x
2. Step 2: Convert to fraction form
   766,401.57/1,057,634.46 = 444,298.41/x
3. Step 3: Cross multiply
   766,401.57x = 1,057,634.46 × 444,298.41
4. Step 4: Simplify right side
   766,401.57x = 469,905,308,939.21
5. Step 5: Solve for x
   x = 469,905,308,939.21/766,401.57
6. Step 6: Final answer
   x = 613,131.98