Finding the Fourth Proportional to 710,936.88, 981,093.72 and 409,131.12

Step by Step Solution

1. Step 1: Write the proportion equation
   710,936.88 : 981,093.72 = 409,131.12 : x
2. Step 2: Convert to fraction form
   710,936.88/981,093.72 = 409,131.12/x
3. Step 3: Cross multiply
   710,936.88x = 981,093.72 × 409,131.12
4. Step 4: Simplify right side
   710,936.88x = 401,395,972,488.57
5. Step 5: Solve for x
   x = 401,395,972,488.57/710,936.88
6. Step 6: Final answer
   x = 564,601.42