Finding the Fourth Proportional to 469,300.69, 697,913.96 and 454,353.76

Step by Step Solution

1. Step 1: Write the proportion equation
   469,300.69 : 697,913.96 = 454,353.76 : x
2. Step 2: Convert to fraction form
   469,300.69/697,913.96 = 454,353.76/x
3. Step 3: Cross multiply
   469,300.69x = 697,913.96 × 454,353.76
4. Step 4: Simplify right side
   469,300.69x = 317,099,831,882.49
5. Step 5: Solve for x
   x = 317,099,831,882.49/469,300.69
6. Step 6: Final answer
   x = 675,685.84