Finding the Fourth Proportional to 723,902.34, 999,105.15 and 401,715.93

Step by Step Solution

1. Step 1: Write the proportion equation
   723,902.34 : 999,105.15 = 401,715.93 : x
2. Step 2: Convert to fraction form
   723,902.34/999,105.15 = 401,715.93/x
3. Step 3: Cross multiply
   723,902.34x = 999,105.15 × 401,715.93
4. Step 4: Simplify right side
   723,902.34x = 401,356,454,500.04
5. Step 5: Solve for x
   x = 401,356,454,500.04/723,902.34
6. Step 6: Final answer
   x = 554,434.53