Finding the Fourth Proportional to 724,050.69, 999,196.83 and 401,790.78

Step by Step Solution

1. Step 1: Write the proportion equation
   724,050.69 : 999,196.83 = 401,790.78 : x
2. Step 2: Convert to fraction form
   724,050.69/999,196.83 = 401,790.78/x
3. Step 3: Cross multiply
   724,050.69x = 999,196.83 × 401,790.78
4. Step 4: Simplify right side
   724,050.69x = 401,468,073,699.23
5. Step 5: Solve for x
   x = 401,468,073,699.23/724,050.69
6. Step 6: Final answer
   x = 554,475.09