Finding the Fourth Proportional to 825,282.82, 1,139,092.89 and 503,170.54

Step by Step Solution

1. Step 1: Write the proportion equation
   825,282.82 : 1,139,092.89 = 503,170.54 : x
2. Step 2: Convert to fraction form
   825,282.82/1,139,092.89 = 503,170.54/x
3. Step 3: Cross multiply
   825,282.82x = 1,139,092.89 × 503,170.54
4. Step 4: Simplify right side
   825,282.82x = 573,157,984,571.46
5. Step 5: Solve for x
   x = 573,157,984,571.46/825,282.82
6. Step 6: Final answer
   x = 694,498.87