Finding the Fourth Proportional to 770,989.82, 1,064,077.25 and 444,240.25

Step by Step Solution

1. Step 1: Write the proportion equation
   770,989.82 : 1,064,077.25 = 444,240.25 : x
2. Step 2: Convert to fraction form
   770,989.82/1,064,077.25 = 444,240.25/x
3. Step 3: Cross multiply
   770,989.82x = 1,064,077.25 × 444,240.25
4. Step 4: Simplify right side
   770,989.82x = 472,705,945,108.91
5. Step 5: Solve for x
   x = 472,705,945,108.91/770,989.82
6. Step 6: Final answer
   x = 613,115.67