Finding the Fourth Proportional to 731,381.42, 1,009,399.83 and 409,109.42

Step by Step Solution

1. Step 1: Write the proportion equation
   731,381.42 : 1,009,399.83 = 409,109.42 : x
2. Step 2: Convert to fraction form
   731,381.42/1,009,399.83 = 409,109.42/x
3. Step 3: Cross multiply
   731,381.42x = 1,009,399.83 × 409,109.42
4. Step 4: Simplify right side
   731,381.42x = 412,954,978,999.40
5. Step 5: Solve for x
   x = 412,954,978,999.40/731,381.42
6. Step 6: Final answer
   x = 564,623.28