Finding the Fourth Proportional to 731,111.98, 1,008,928.83 and 408,822.70

Step by Step Solution

1. Step 1: Write the proportion equation
   731,111.98 : 1,008,928.83 = 408,822.70 : x
2. Step 2: Convert to fraction form
   731,111.98/1,008,928.83 = 408,822.70/x
3. Step 3: Cross multiply
   731,111.98x = 1,008,928.83 × 408,822.70
4. Step 4: Simplify right side
   731,111.98x = 412,473,008,388.44
5. Step 5: Solve for x
   x = 412,473,008,388.44/731,111.98
6. Step 6: Final answer
   x = 564,172.14