Finding the Fourth Proportional to 723,902.04, 999,104.72 and 401,715.62

Step by Step Solution

1. Step 1: Write the proportion equation
   723,902.04 : 999,104.72 = 401,715.62 : x
2. Step 2: Convert to fraction form
   723,902.04/999,104.72 = 401,715.62/x
3. Step 3: Cross multiply
   723,902.04x = 999,104.72 × 401,715.62
4. Step 4: Simplify right side
   723,902.04x = 401,355,972,039.73
5. Step 5: Solve for x
   x = 401,355,972,039.73/723,902.04
6. Step 6: Final answer
   x = 554,434.09