Finding the Fourth Proportional to 851,488.49, 1,175,011.89 and 483,917.57

Step by Step Solution

1. Step 1: Write the proportion equation
   851,488.49 : 1,175,011.89 = 483,917.57 : x
2. Step 2: Convert to fraction form
   851,488.49/1,175,011.89 = 483,917.57/x
3. Step 3: Cross multiply
   851,488.49x = 1,175,011.89 × 483,917.57
4. Step 4: Simplify right side
   851,488.49x = 568,608,898,529.91
5. Step 5: Solve for x
   x = 568,608,898,529.91/851,488.49
6. Step 6: Final answer
   x = 667,782.25