Finding the Fourth Proportional to 673,100.69, 929,221.74 and 519,794.69

Step by Step Solution

1. Step 1: Write the proportion equation
   673,100.69 : 929,221.74 = 519,794.69 : x
2. Step 2: Convert to fraction form
   673,100.69/929,221.74 = 519,794.69/x
3. Step 3: Cross multiply
   673,100.69x = 929,221.74 × 519,794.69
4. Step 4: Simplify right side
   673,100.69x = 483,004,521,638.45
5. Step 5: Solve for x
   x = 483,004,521,638.45/673,100.69
6. Step 6: Final answer
   x = 717,581.38