Finding the Fourth Proportional to 673,103.69, 929,225.88 and 519,797.69

Step by Step Solution

1. Step 1: Write the proportion equation
   673,103.69 : 929,225.88 = 519,797.69 : x
2. Step 2: Convert to fraction form
   673,103.69/929,225.88 = 519,797.69/x
3. Step 3: Cross multiply
   673,103.69x = 929,225.88 × 519,797.69
4. Step 4: Simplify right side
   673,103.69x = 483,009,465,912.22
5. Step 5: Solve for x
   x = 483,009,465,912.22/673,103.69
6. Step 6: Final answer
   x = 717,585.53