Finding the Fourth Proportional to 723,399.55, 997,715.41 and 465,306.15

Step by Step Solution

1. Step 1: Write the proportion equation
   723,399.55 : 997,715.41 = 465,306.15 : x
2. Step 2: Convert to fraction form
   723,399.55/997,715.41 = 465,306.15/x
3. Step 3: Cross multiply
   723,399.55x = 997,715.41 × 465,306.15
4. Step 4: Simplify right side
   723,399.55x = 464,243,116,222.77
5. Step 5: Solve for x
   x = 464,243,116,222.77/723,399.55
6. Step 6: Final answer
   x = 641,752.01