Finding the Fourth Proportional to 726,984.82, 1,003,256.62 and 404,716.70

Step by Step Solution

1. Step 1: Write the proportion equation
   726,984.82 : 1,003,256.62 = 404,716.70 : x
2. Step 2: Convert to fraction form
   726,984.82/1,003,256.62 = 404,716.70/x
3. Step 3: Cross multiply
   726,984.82x = 1,003,256.62 × 404,716.70
4. Step 4: Simplify right side
   726,984.82x = 406,034,708,499.55
5. Step 5: Solve for x
   x = 406,034,708,499.55/726,984.82
6. Step 6: Final answer
   x = 558,518.83